docs: update changelog for v0.22.0

[augmentmoogi]

Update CHANGELOG.md with release notes for v0.22.0.

Fixes AU-18856

[github-actions]

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[augment-app-staging]

Code Review Triage 🛡️ · Low Risk

Recommendation: ✅ Approve — Low-Risk Change

Justification

This PR only adds a new version entry to CHANGELOG.md with 18 lines of release notes. No executable code, configuration, infrastructure, or security-related files are modified. The change is purely documentary and cannot affect runtime behavior.

If you don't agree with this auto-approval recommendation, please reach out to #feedback-code-review-agent.

[augment-app-staging]

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[augment-app-staging]

The phrasing here is redundant ("automated … automation") and reads a bit unclear for release notes. Consider rewording so it describes the user-visible change more precisely.

Severity: low

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[augment-app-staging]

Approving — changelog-only documentation change with no code impact.

[augment-app-staging]

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[augment-app-staging]

CHANGELOG.md:5 documents the changelog automation itself rather than the user-facing changes in 0.22.0, so the release notes would be inaccurate for readers trying to understand what shipped in this version. Could we update this entry to describe the actual features and fixes included in the release?

Severity: low

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[augmentmoogi]

Wow awesome the test run is working!! Yey!! But this is a fake version. so lets ignore it.