Enable CI run for merge queue

[masih]

Add merge queue event dispatch for CI jobs that we want to run on merge to main or release branches.

[github-actions]

The latest Buf updates on your PR. Results from workflow Buf / buf (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Mar 11, 2026, 4:17 PM

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.33%. Comparing base (30f8b0a) to head (3279703).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3052      +/-   ##
==========================================
- Coverage   58.36%   58.33%   -0.03%     
==========================================
  Files        2079     2079              
  Lines      171899   171883      -16     
==========================================
- Hits       100321   100266      -55     
- Misses      62637    62671      +34     
- Partials     8941     8946       +5     

Flag	Coverage Δ
sei-db	70.41% <ø> (ø)

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see 26 files with indirect coverage changes

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