feat: add message to brew publish

[jsjoeio]

This uses the --message flag when bumping the homebrew formula so we know who opened the PR and the homebrew team can @ them if any issues arise.

Fixes N/A

[github-actions]

✨ code-server docs for PR #5341 is ready! It will be updated on every commit.

• Host: https://coder.com/docs/code-server/ac09fa1
• Last deploy status: success
• Commit: a47316d
• Workflow status: https://github.com/coder/code-server/actions/runs/2673689334

[codecov]

Codecov Report

Merging #5341 (a47316d) into main (f79b38d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #5341   +/-   ##
=======================================
  Coverage   72.47%   72.47%           
=======================================
  Files          30       30           
  Lines        1671     1671           
  Branches      367      367           
=======================================
  Hits         1211     1211           
  Misses        397      397           
  Partials       63       63           

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[github-actions]

✨ code-server dev build published to npm for PR #5341!

• Last publish status: success
• Commit: a47316d

To install in a local project, run:

npm install @coder/code-server-pr@5341

To install globally, run:

npm install -g @coder/code-server-pr@5341

[jsjoeio]

it worked! Homebrew/homebrew-core#106156 (comment)