impr(announcement-banner): move announcement banner to a shared lib

[rmnbrd]

Summary

Tiny PR moving the new announcement-banner to its own shared lib.

Screenshots / Recordings

Testing

• Changes tested locally in the relevant Console's pages and Storybooks
• yarn test or yarn test -u (if you need to regenerate snapshots)
• yarn format
• yarn lint

PR Checklist

• I followed naming, styling, and TypeScript rules (see .cursor/rules)
• I performed a self-review (diff inspected, dead code removed)
• I titled the PR using Conventional Commits with a scope when possible (e.g. feat(service): add new Terraform service) - required for semantic-release
• I only kept necessary comments, written in English (watch for useless AI comments)
• I involved a designer to validate UI changes if I am not a designer
• I covered new business logic with tests (unit)
• I confirmed CI is green (Codecov red can be accepted)
• I reviewed and executed locally any AI-assisted code

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[rmnbrd]

/qovery preview 28c47145-c8e7-4b9d-8d9e-c65c95b48425

[RemiBonnet]

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👉 [PR] staging - impr(announcement-banner): move announcement banner to a shared lib - 2026-01-05T09:56:51Z

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[codecov]

Codecov Report

❌ Patch coverage is 85.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.12%. Comparing base (c72c4a6) to head (60ee13e).
⚠️ Report is 2 commits behind head on staging.

Files with missing lines	Patch %	Lines
...ibs/shared/ui/src/lib/components/banner/banner.tsx	0.00%	0 Missing and 2 partials ⚠️
...rc/lib/announcement-banner/announcement-banner.tsx	94.44%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           staging    #2275      +/-   ##
===========================================
- Coverage    50.06%   48.12%   -1.94%     
===========================================
  Files          407     1200     +793     
  Lines         9268    21273   +12005     
  Branches      2806     6258    +3452     
===========================================
+ Hits          4640    10238    +5598     
- Misses        3736     9114    +5378     
- Partials       892     1921    +1029     

Flag	Coverage Δ
unittests	48.12% <85.00%> (-1.94%)	⬇️

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🎉 This PR is included in version 1.263.0 🎉

The release is available on GitHub release

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