Update patch to Python 3.6.12.

Includes:
- OpenSSL 1.0.2u
- BZip2 1.0.8
- XZ 5.2.5

Author: freakboy3742

Makefile

@@ -30,7 +30,7 @@ BUILD_NUMBER=custom
 MACOSX_DEPLOYMENT_TARGET=10.8
 
 # Version of packages that will be compiled by this meta-package
-PYTHON_VERSION=3.6.10
+PYTHON_VERSION=3.6.12
 PYTHON_VER=$(basename $(PYTHON_VERSION))
 
 OPENSSL_VERSION_NUMBER=1.0.2

README.rst

@@ -1,7 +1,7 @@
 Python Apple Support
 ====================
 
-**This repository branch builds a packaged version of Python 3.6.10**.
+**This repository branch builds a packaged version of Python 3.6.12**.
 Other Python versions are available by cloning other branches of the main
 repository.
 

patch/Python/Python.patch

@@ -12074,7 +12074,7 @@ index 9ad05fadef..05d1ba1f82 100644
      """Test loading extension modules with multi-phase initialization (PEP 489)
      """
 diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
-index f29c16cb47..8521120d51 100644
+index 4ba46563b9..9aad49bbbd 100644
 --- a/Lib/test/test_io.py
 +++ b/Lib/test/test_io.py
 @@ -572,7 +572,7 @@