chore(deps): bump google.golang.org/grpc to v1.82.1 and go-git deps

[erka]

No description provided.

[github-actions]

The latest Buf updates on your PR. Results from workflow Proto / proto-lint (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Jul 30, 2026, 5:43 PM

[github-actions]

Verdict: approve

Routine, mechanical dependency bump with no source code changes. All google.golang.org/grpc and go-git dependencies are updated consistently across workspace modules. No issues found.

🤖 Automated review by the Flipt PR review agent.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.38%. Comparing base (473ef07) to head (e8d76a1).

Additional details and impacted files

@@           Coverage Diff           @@
##               v2    #6261   +/-   ##
=======================================
  Coverage   62.38%   62.38%           
=======================================
  Files         145      145           
  Lines       14872    14872           
=======================================
  Hits         9278     9278           
  Misses       4833     4833           
  Partials      761      761           

Flag	Coverage Δ
integrationtests	33.39% <ø> (ø)
unittests	54.00% <ø> (ø)

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[kodiakhq]

This PR currently has a merge conflict. Please resolve this and then re-add the automerge label.