feat(obs): add basic metrics for containered database

[pggb25]

Summary

Issue:

Screenshots / Recordings

Testing

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

[RemiBonnet]

Qovery can create a Preview Environment for this PR.
To trigger its creation, please post a comment with one of the following command.

Command	Blueprint environment
/qovery preview 28c47145-c8e7-4b9d-8d9e-c65c95b48425	staging
/qovery preview cc1de7de-94e5-40f8-8e45-bc8986d9dfec	storybook
/qovery preview {all|UUID1,UUID2,...}	To preview multiple environments

---

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[codecov]

Codecov Report

❌ Patch coverage is 45.45455% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.02%. Comparing base (c81f0a5) to head (86e6acf).
⚠️ Report is 5 commits behind head on staging.

Files with missing lines	Patch %	Lines
...ib/service/service-dashboard/service-dashboard.tsx	0.00%	5 Missing ⚠️
.../pages/database/src/lib/ui/container/container.tsx	0.00%	4 Missing ⚠️
...lib/hooks/use-container-name/use-container-name.ts	0.00%	1 Missing ⚠️
...ce/service-dashboard/card-storage/card-storage.tsx	80.00%	0 Missing and 1 partial ⚠️
...age-monitoring-feature/page-monitoring-feature.tsx	85.71%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           staging    #2339      +/-   ##
===========================================
+ Coverage    47.53%   49.02%   +1.48%     
===========================================
  Files         1279      933     -346     
  Lines        23524    18787    -4737     
  Branches      6931     5575    -1356     
===========================================
- Hits         11182     9210    -1972     
+ Misses       10191     7835    -2356     
+ Partials      2151     1742     -409     

Flag	Coverage Δ
unittests	49.02% <45.45%> (+1.48%)	⬆️

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