fix: python version

[HarshitaKalani]

with: python===3.8

% python scripts/build/develop.py
Running: python scripts/build/add_dummy_submodules.py
Running: pip install -e . --verbose
Using pip 24.3.1 from /Users/pranavchiku/mambaforge/envs/pyds-env/lib/python3.8/site-packages/pip (python 3.8)
Obtaining file:///Users/pranavchiku/repos/pydatastructs
  Running command pip subprocess to install build dependencies
  Using pip 24.3.1 from /Users/pranavchiku/mambaforge/envs/pyds-env/lib/python3.8/site-packages/pip (python 3.8)
  Collecting meson-python
    Obtaining dependency information for meson-python from https://files.pythonhosted.org/packages/28/58/66db620a8a7ccb32633de9f403fe49f1b63c68ca94e5c340ec5cceeb9821/meson_python-0.18.0-py3-none-any.whl.metadata
    Using cached meson_python-0.18.0-py3-none-any.whl.metadata (2.8 kB)
  Collecting meson>=0.64.0 (from meson-python)
    Obtaining dependency information for meson>=0.64.0 from https://files.pythonhosted.org/packages/9c/07/b48592d325cb86682829f05216e4efb2dc881762b8f1bafb48b57442307a/meson-1.9.1-py3-none-any.whl.metadata
    Using cached meson-1.9.1-py3-none-any.whl.metadata (1.8 kB)
  Collecting packaging>=23.2 (from meson-python)
    Obtaining dependency information for packaging>=23.2 from https://files.pythonhosted.org/packages/20/12/38679034af332785aac8774540895e234f4d07f7545804097de4b666afd8/packaging-25.0-py3-none-any.whl.metadata
    Using cached packaging-25.0-py3-none-any.whl.metadata (3.3 kB)
  Collecting pyproject-metadata>=0.9.0 (from meson-python)
    Obtaining dependency information for pyproject-metadata>=0.9.0 from https://files.pythonhosted.org/packages/7e/b1/8e63033b259e0a4e40dd1ec4a9fee17718016845048b43a36ec67d62e6fe/pyproject_metadata-0.9.1-py3-none-any.whl.metadata
    Using cached pyproject_metadata-0.9.1-py3-none-any.whl.metadata (7.0 kB)
  Collecting tomli>=1.0.0 (from meson-python)
    Obtaining dependency information for tomli>=1.0.0 from https://files.pythonhosted.org/packages/77/b8/0135fadc89e73be292b473cb820b4f5a08197779206b33191e801feeae40/tomli-2.3.0-py3-none-any.whl.metadata
    Using cached tomli-2.3.0-py3-none-any.whl.metadata (10 kB)
  Using cached meson_python-0.18.0-py3-none-any.whl (28 kB)
  Using cached meson-1.9.1-py3-none-any.whl (1.0 MB)
  Using cached packaging-25.0-py3-none-any.whl (66 kB)
  Using cached pyproject_metadata-0.9.1-py3-none-any.whl (18 kB)
  Using cached tomli-2.3.0-py3-none-any.whl (14 kB)
  Installing collected packages: tomli, packaging, meson, pyproject-metadata, meson-python
    Creating /private/var/folders/r9/27d27cj93ld8zjgr3chdh72h0000gn/T/pip-build-env-z019zz1x/overlay/bin
    changing mode of /private/var/folders/r9/27d27cj93ld8zjgr3chdh72h0000gn/T/pip-build-env-z019zz1x/overlay/bin/meson to 755
  Successfully installed meson-1.9.1 meson-python-0.18.0 packaging-25.0 pyproject-metadata-0.9.1 tomli-2.3.0
  Installing build dependencies ... done
  Running command Checking if build backend supports build_editable
  Checking if build backend supports build_editable ... done
  Running command Getting requirements to build editable
  Getting requirements to build editable ... done
  Running command pip subprocess to install backend dependencies
  Using pip 24.3.1 from /Users/pranavchiku/mambaforge/envs/pyds-env/lib/python3.8/site-packages/pip (python 3.8)
  Collecting ninja>=1.8.2
    Obtaining dependency information for ninja>=1.8.2 from https://files.pythonhosted.org/packages/3c/74/d02409ed2aa865e051b7edda22ad416a39d81a84980f544f8de717cab133/ninja-1.13.0-py3-none-macosx_10_9_universal2.whl.metadata
    Using cached ninja-1.13.0-py3-none-macosx_10_9_universal2.whl.metadata (5.1 kB)
  Using cached ninja-1.13.0-py3-none-macosx_10_9_universal2.whl (310 kB)
  Installing collected packages: ninja
  Successfully installed ninja-1.13.0
  Installing backend dependencies ... done
  Running command Preparing editable metadata (pyproject.toml)
  + meson setup /Users/pranavchiku/repos/pydatastructs /Users/pranavchiku/repos/pydatastructs/build/cp38 -Dbuildtype=release -Db_ndebug=if-release -Db_vscrt=md --native-file=/Users/pranavchiku/repos/pydatastructs/build/cp38/meson-python-native-file.ini
  The Meson build system
  Version: 1.9.1
  Source dir: /Users/pranavchiku/repos/pydatastructs
  Build dir: /Users/pranavchiku/repos/pydatastructs/build/cp38
  Build type: native build
  Project name: pydatastructs
  Project version: 1.0.1-dev
  C++ compiler for the host machine: c++ (clang 15.0.0 "Apple clang version 15.0.0 (clang-1500.3.9.4)")
  C++ linker for the host machine: c++ ld64 1053.12
  Host machine cpu family: aarch64
  Host machine cpu: aarch64
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Found pkg-config: YES (/opt/homebrew/bin/pkg-config) 2.4.3
  Run-time dependency python found: YES 3.8
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Program python found: YES (/Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8)
  Build targets in project: 6

  pydatastructs 1.0.1-dev

    User defined options
      Native files: /Users/pranavchiku/repos/pydatastructs/build/cp38/meson-python-native-file.ini
      b_ndebug    : if-release
      b_vscrt     : md
      buildtype   : release

  Found ninja-1.13.0.git.kitware.jobserver-pipe-1 at /private/var/folders/r9/27d27cj93ld8zjgr3chdh72h0000gn/T/pip-build-env-z019zz1x/normal/bin/ninja

  meson-python: error: The package requires Python version >=3.9, running on 3.8.20
  error: subprocess-exited-with-error
  
  × Preparing editable metadata (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> See above for output.
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  full command: /Users/pranavchiku/mambaforge/envs/pyds-env/bin/python3.8 /Users/pranavchiku/mambaforge/envs/pyds-env/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py prepare_metadata_for_build_editable /var/folders/r9/27d27cj93ld8zjgr3chdh72h0000gn/T/tmpmiaoeief
  cwd: /Users/pranavchiku/repos/pydatastructs
  Preparing editable metadata (pyproject.toml) ... error
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
Command failed: pip install -e . --verbose