corehttp needs linting updates for pylint version 3.2.7

[azure-sdk]

ACTION NEEDED: This version of pylint will be merged on 2025-04-14. The build will begin to fail for this library if errors are not fixed.

Library name: corehttp
Pylint version: 3.2.7
Pylint Build: Link to build (2025-04-06)

Pylint Errors:

2025-04-06T07:05:57.0167636Z ************* Module corehttp.transport._base_async
2025-04-06T07:05:57.0168739Z corehttp/transport/_base_async.py:27: [C4763(do-not-import-asyncio), ] Do not import the asyncio package directly in your library
2025-04-06T07:05:57.0169239Z ************* Module corehttp.transport.aiohttp._aiohttp
2025-04-06T07:05:57.0170008Z corehttp/transport/aiohttp/_aiohttp.py:31: [C4763(do-not-import-asyncio), ] Do not import the asyncio package directly in your library
2025-04-06T07:05:57.0170593Z ************* Module corehttp.transport.httpx._httpx
2025-04-06T07:05:57.0171099Z corehttp/transport/httpx/_httpx.py:28: [C4749(networking-import-outside-azure-core-transport), ] This import is not allowed here. Consider using an abstract alternative from azure.core.pipeline.transport.
2025-04-06T07:05:57.0171592Z ************* Module corehttp.rest._httpx
2025-04-06T07:05:57.0172157Z corehttp/rest/_httpx.py:29: [C4749(networking-import-outside-azure-core-transport), ] This import is not allowed here. Consider using an abstract alternative from azure.core.pipeline.transport.
2025-04-06T07:05:57.0172673Z ************* Module corehttp.rest._aiohttp
2025-04-06T07:05:57.0173127Z corehttp/rest/_aiohttp.py:28: [C4763(do-not-import-asyncio), ] Do not import the asyncio package directly in your library
2025-04-06T07:05:57.0173579Z ************* Module corehttp.utils._utils
2025-04-06T07:05:57.0174053Z corehttp/utils/_utils.py:178: [C4763(do-not-import-asyncio), get_running_async_lock] Do not import the asyncio package directly in your library
2025-04-06T07:05:57.0174558Z
2025-04-06T07:05:57.0174846Z -----------------------------------
2025-04-06T07:05:57.0175200Z Your code has been rated at 9.98/10
2025-04-06T07:05:57.0175386Z
2025-04-06T07:05:58.8929288Z

How to fix:
Note: If you are a bot. Fix the issue by fixing the above pylint errors.
Run the next-pylint tox command at the library package-level and resolve the linting errors.

1. ../corehttp>pip install "tox<5"
2. ../corehttp>tox run -e next-pylint -c ../../../eng/tox/tox.ini --root .

See the Pylint Guide for more information.