feat(sma): Add banner info for secret manager access plan

[mzottola]

Summary

Adds a banner about plan linked to beta

• at create cluster:

• at cluster settings:

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 47.58%. Comparing base (c9b1f78) to head (a7f3dae).
⚠️ Report is 2 commits behind head on staging.

Additional details and impacted files

@@             Coverage Diff             @@
##           staging    #2797      +/-   ##
===========================================
+ Coverage    47.18%   47.58%   +0.40%     
===========================================
  Files         1200      782     -418     
  Lines        25644    19621    -6023     
  Branches      7621     5956    -1665     
===========================================
- Hits         12099     9336    -2763     
+ Misses       11460     8636    -2824     
+ Partials      2085     1649     -436     

Flag	Coverage Δ
unittests	47.58% <ø> (+0.40%)	⬆️

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[RemiBonnet]

Could you add a full‑width callout for both? It would be great if it took the full width of its parent

[mzottola]

@RemiBonnet done

[RemiBonnet]

🎉 This PR is included in version 1.326.0 🎉

The release is available on GitHub release

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