build: upgrade grpcio and protobuf

[RobPasMue]

As title says

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.74%. Comparing base (6d62b4c) to head (708e9fd).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2258   +/-   ##
=======================================
  Coverage   94.74%   94.74%           
=======================================
  Files         142      142           
  Lines       10631    10631           
=======================================
  Hits        10072    10072           
  Misses        559      559           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.