feat(cloud-assembly-schema): validation report includes suppressed rules

[kaizencc]

Add suppressedViolations to PluginReportJson so acknowledged violations are retained in the report for audit purposes.

SuppressedViolationJson extends PolicyViolationJson with acknowledgedId (required), reason, and acknowledgedAt.

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.18%. Comparing base (76445b3) to head (c8c1cda).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1556   +/-   ##
=======================================
  Coverage   88.18%   88.18%           
=======================================
  Files          76       76           
  Lines       10841    10841           
  Branches     1493     1493           
=======================================
  Hits         9560     9560           
  Misses       1253     1253           
  Partials       28       28           

Flag	Coverage Δ
suite.unit	88.18% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 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.