ci: make changelog check optional; update docs

[conradoplg]

Motivation

Closes #11179

Solution

Tests

Specifications & References

Follow-up Work

AI Disclosure

• No AI tools were used in this PR
• AI tools were used:

PR Checklist

• The PR title follows conventional commits format: type(scope): description
• The PR follows the contribution guidelines.
• This change was discussed in an issue or with the team beforehand.
• The solution is tested.
• The documentation and changelogs are up to date.

[v12-auditor]

Warning

No auditable source files found in this PR's diff.

[mergify]

Merge Queue Status

• ✅ Entered queue — 2026-08-07 10:46 UTC · Rule: batched · triggered by rule move to any queue if GitHub Rulesets are satisfied
• ✅ Checks passed · on draft merge queue: checking main (3dd9756) and #11180 together #11217
• ✅ Merged — 2026-08-07 13:13 UTC · at e23432038c1ec7b75c996a8895ced45866ba7d97 · merge

This pull request spent 2 hours 26 minutes 29 seconds in the queue, including 45 seconds running CI.

Required conditions to merge

• #review-threads-unresolved = 0 [🛡 GitHub repository ruleset rule PR Requirements]
  • ci: make changelog check optional; update docs #11180
• github-review-approved [🛡 GitHub branch protection]
  • ci: make changelog check optional; update docs #11180
• github-review-approved [🛡 GitHub repository ruleset rule PR Requirements]
  • ci: make changelog check optional; update docs #11180
• any of [🛡 GitHub repository ruleset rule PR Requirements]:
  • check-success = @github-actions/lint
  • check-neutral = @github-actions/lint
  • check-skipped = @github-actions/lint
• any of [🛡 GitHub repository ruleset rule PR Requirements]:
  • check-success = test-crates
  • check-neutral = test-crates
  • check-skipped = test-crates
• any of [🛡 GitHub repository ruleset rule PR Requirements]:
  • check-success = unit-tests
  • check-neutral = unit-tests
  • check-skipped = unit-tests
• any of [🛡 GitHub repository ruleset rule PR Requirements]:
  • check-success = @github-actions/pr-gate-result
  • check-neutral = @github-actions/pr-gate-result
  • check-skipped = @github-actions/pr-gate-result