ci: bump supabase/sdk reusable workflows to capability-matrix-v1.6.0

[spydon]

Bumps every supabase/sdk reusable workflow pin to the capability-matrix-v1.6.0 tag (commit a494be6719174adbca0313de1ee187407e2dca95).

supabase/sdk stopped cutting root vX.Y.Z release tags (supabase/sdk#112); the compliance workflows and their tooling are now versioned through capability-matrix-vX.Y.Z tags instead. This is the one-time repin onto the new tag family; Dependabot follows the capability-matrix-v* prefix from here on.

Summary by CodeRabbit

• Chores
  • Updated automated compliance and capability validation workflows to use the latest approved validation rules.
  • Improved alignment with current SDK capability requirements.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 6465c0b6-0269-4774-8186-96184a839b0c

📥 Commits

Reviewing files that changed from the base of the PR and between 2069cbf and e03cedc.

📒 Files selected for processing (2)

• .github/workflows/sync-compliance.yml
• .github/workflows/validate-capabilities.yml

Included review availability: Your plan provides up to 4 included reviews per hour; 3 remain after this review.

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📝 Walkthrough

Walkthrough

The pull request updates two GitHub Actions workflow references from the v1.5.0 commit to the capability-matrix-v1.6.0 commit.

Changes

Compliance workflow updates

Layer / File(s)	Summary
Repin reusable compliance workflows .github/workflows/sync-compliance.yml, .github/workflows/validate-capabilities.yml	Both workflows now reference the newer pinned supabase/sdk compliance workflow revision.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to e03ce

This PR only updates two CI reusable workflow references to the new capability-matrix-v1.6.0 tag family; no actionable merge-blocking risk remains after normal checks and review.

Suggested reviewers: grdsdev

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: updating the supabase/sdk reusable workflows to capability-matrix-v1.6.0.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (2 skipped: 2 unsupported.)

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ci/sdk-workflows-capability-matrix-v1.6.0

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