[CMAKE] Upgrade opentelemetry-proto to 1.11.0

[dbarker]

Contributes to #4506

Changes

• upgrade opentelemetry-proto to 1.11.0

For significant contributions please make sure you have completed the following items:

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.24%. Comparing base (6c4c9bb) to head (d7ef6f0).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4508      +/-   ##
==========================================
- Coverage   83.25%   83.24%   -0.00%     
==========================================
  Files         521      521              
  Lines       20381    20381              
==========================================
- Hits        16966    16964       -2     
- Misses       3415     3417       +2     

see 1 file with indirect coverage changes

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[marcalff]

LGTM