* [python3] Update to Python 3.10.0rc2 (for testing).

* [python3] Revert trivial patch changes.

* [python3] Bump to 3.10.0 final.

* x-add-version

* update python tools to 3.10.0

* [ecm] Add patch from upstream for Python 3.10.

Remove this on the next release.

* x-add-version

* [python3] Add patch to fix static interpreter.

* x-add-version

* [python3] update to 3.9.5

* [vcpkg] update baseline

* [scripts] update to py 3.9.5

* [python3] Move /MACHINE into MSBuild file.

This prevents potential patch application conflicts.

* [python3] Add feature deprecated-win7-support.

This backports the fix for bpo-39401 from the Python 3.8 branch instead
of the one from the Python 3.9 branch, which dropped support for Windows
7.

* [python3] Bump port version.

* [python3] Fix goof in static patch that omitted pathcch.lib.

* x-add-version

* [python3] Revert trivial patch changes

Co-authored-by: Robert Schumacher <roschuma@microsoft.com>