- Dropped Ruby 2.7 test (Ruby 2.7 hit EOL 1 year ago)
- Upgraded the base image of Ruby docker images from Debian:10 to Debian:11 (Debian:10 hit EOL)
Closes#35911
PiperOrigin-RevId: 607088383
Reintroduce https://github.com/grpc/grpc/pull/33959.
I added a fix for the python arm64 build (which is the reason why the
change has been reverted earlier).
* upgrade ruby docker images to debian 11
* upgrade C# docker images to debian11
* update sanity dockerimage to debian11
* upgrade cxx interop to debian11
* add ccache to python interop images
* enable use of ccache for interop tests
* adjust run_tests.py to new docker images
* add ccache to rake-compiler-dock docker images
* improve prepare_ccache_symlinks_rc
* enable use of ccache in rake-compiler-dock docker containers
* add ccache support for python_manylinux2014_aarch64
* add ccache support for python_linux_armv7
* deduplicate python3.9 install
* ccache for crosscompiled darwin gems is broken
* fix bash -l resetting of PATH in grpc_artifact_python_linux_armv7