add support for building wheels for windows on arm64 (#920)

* add support for building wheels for windows on arm64

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fix main_platform_test.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Remove unrequired explicit nuget source

* add python arm64 3.9.9 version

* extend update_pythons.py to add win/arm64 support

* update documentation for new win/arm64 platform

* style: include ARM64 in literal

* Fix python 3.9 identifier for win_arm64

* Fix table layout issues in README and add note about arm64 pip issue

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>

unit_test/main_tests/main_platform_test.py

@@ -178,7 +178,11 @@ def test_archs_platform_all(platform, intercepted_build_args, monkeypatch):
             Architecture.s390x,
         }
     elif platform == "windows":
-        assert options.globals.architectures == {Architecture.x86, Architecture.AMD64}
+        assert options.globals.architectures == {
+            Architecture.x86,
+            Architecture.AMD64,
+            Architecture.ARM64,
+        }
     elif platform == "macos":
         assert options.globals.architectures == {
             Architecture.x86_64,