CHANGELOG/CHANGELOG-3.5.md: update changelog for gRPC metadata printing

[mohamedawnallah]

Description

In this commit, we update the changelog for gRPC metadata printing in release 3.5 which is mainly a backport from PR #18312.

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Codecov Report

Attention: Patch coverage is 11.11111% with 24 lines in your changes missing coverage. Please review.

Project coverage is 68.89%. Comparing base (eeeb7e0) to head (a6950ef).
Report is 4 commits behind head on main.

❗ Current head a6950ef differs from pull request most recent head 163917d

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Additional details and impacted files

Files	Coverage Δ
server/embed/config_logging.go	51.53% <11.11%> (+0.29%)	⬆️

... and 14 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #18317      +/-   ##
==========================================
- Coverage   69.00%   68.89%   -0.12%     
==========================================
  Files         417      417              
  Lines       35332    35333       +1     
==========================================
- Hits        24380    24341      -39     
- Misses       9540     9576      +36     
- Partials     1412     1416       +4     

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[ahrtr]

LGTM

Thanks

[jmhbnz]

Minor typo to fix before we merge.

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahrtr, jmhbnz, mohamedawnallah

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