[CP #2429 > support/v5.13] [python] Add support for recent protobuf versions.

[eclipse-ecal-bot]

Cherry-pick failed

Cherry-picked PR #2429 to branch support/v5.13.
The cherry-pick has failed.

The following files have caused conflicts:

lang/python/src/msg/ecal/msg/proto/helper.py

Resolving

Please resolve conflicts manually. You can use this PR and branch to your convenience.

git fetch origin
git checkout -b local/cherry-pick/47a57f0/support/v5.13 origin/support/v5.13
git branch -u origin/cherry-pick/47a57f0/support/v5.13
git cherry-pick 675d5313c5d42f4b87e5daf2e37ba7ebdde4f3e0..47a57f0ebca8d0ccf4a08c3e3e22c557aea17bb4

# Resolve conflicts and use
#     git cherry-pick --continue
# until all conflicts are resolved.

git push -f origin HEAD:cherry-pick/47a57f0/support/v5.13

After resolving all conflicts, rebase-merge this PR.