feat(release-tracks): add guided schedule autocomplete

[seansica]

Map selected phrases to UTC schedules and avoid invalid composition updates during schedule-only saves.

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

❌ Patch coverage is 85.31856% with 53 lines in your changes missing coverage. Please review.
✅ Project coverage is 46.96%. Comparing base (79db885) to head (aab7f0d).
⚠️ Report is 8 commits behind head on beta.

Files with missing lines	Patch %	Lines
...release-track-page/release-track-page.component.ts	84.77%	50 Missing and 3 partials ⚠️
❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##             beta     #956      +/-   ##
==========================================
+ Coverage   46.59%   46.96%   +0.36%     
==========================================
  Files         206      206              
  Lines       27290    27704     +414     
  Branches     1916     2006      +90     
==========================================
+ Hits        12717    13011     +294     
- Misses      14484    14610     +126     
+ Partials       89       83       -6     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[github-actions]

🎉 This PR is included in version 4.11.0-beta.5 🎉

The release is available on:

• GitHub release
• v4.11.0-beta.5

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 4.12.0 🎉

The release is available on:

• GitHub release
• v4.12.0

Your semantic-release bot 📦🚀