Set Correct Platform Tag in Wheels on Mac OS with Python 3.10 (grpc#2…

…9857) (grpc#30026)

* Attempt to set correct platform on Mac OS

* Add some debug

* Make it fail

* Print more

* Try again

* Maybe it's an ordering issue?

* Get logs back

* Try copying distutils to see exactly what is being used

* Actually export the variable

* I just love debugging with CI

* One directory higher this time

* Try with an upgraded Python install

* Fix version

* Rebreak

* Try setting it even earlier?

* Unbreak

* Try explicitly renaming the artifacts

* Fix

* I am about ready to start NAT hole punching for SSH

* Break things for logs

* Whoops

* Clean up

* Shellcheck

Bump release version to v1.46.3 (grpc#29736)

use internal release_open_source.py script to commit changes and crea…

…te PR (grpc#29698)

Fix grpc#24421: UnobservedTaskException when server Unavailable (C# o…

…n v1.46.x branch) (grpc#29582)

* fix grpc#24421

* add test for grpc#24421

Bump release version to v1.46.0 (grpc#29565)

* bump version to 1.46.0

* regenerate projects

Bump release version to v1.46.0-pre2 (grpc#29471)

* bump version to 1.46.0-pre2

* regenerate projects

PSM Security: Increase test timeout to 240 for C++ and Python (grpc#2…

…9420) (grpc#29421)

Bump the version to 1.45.2 (grpc#29348)

* Bump to 1.45.2

* Regenerate projects

Bump the version to v1.45.1 (grpc#29278)

* Version to 1.45.1

* Generate projects

Bump version to 1.45.0 (on v1.45.x branch) (grpc#29154)

* bump version to 1.45.0

* regenerate projects