chore: keep release-please PRs out of Prettier and the benchmarks

[funkadelic]

adds the release-please manifest to the Prettier ignore list and skips the benchmark job on release PRs

---

Summary by cubic

Keeps release-please PRs out of Prettier and the benchmark job.

• Excludes .release-please-manifest.json from Prettier so its formatting no longer drifts on every release.
• Skips the benchmark job on release-please PRs, since they only change the version and changelog.

^{Written for commit 06da1df. Summary will update on new commits.}

[cubic-dev-ai]

No issues found across 2 files

_{Re-trigger cubic}

[codspeed]

Merging this PR will not alter performance

✅ 27 untouched benchmarks

---

_{Comparing chore/prettier-ignore-release-manifest (06da1df) with main (e9fe150)}

[codecov]

Bundle Report

Bundle size has no change ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (e9fe150) to head (06da1df).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #124   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           49        49           
  Lines          796       796           
  Branches       149       149           
=========================================
  Hits           796       796           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Lighthouse, median of 3 mobile runs

Page	Score	FCP	LCP	TBT	CLS	Speed Index
Cities	100	1.1s	1.4s	10ms	0.000	1.1s
Films	94	1.4s	3.0s	0ms	0.000	1.4s

Full reports