Install Syft (#373)

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## Motivation and Context
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Fixing a missing dependency for Goreleaser (needed to generate SBOMs)

## How Has This Been Tested?
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tested? -->

## Breaking Changes
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## Types of changes
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- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
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- [ ] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [ ] My code follows the repository's style guidelines
- [ ] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

## Additional context
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Signed-off-by: Radoslav Dimitrov <radoslav@stacklok.com>

.github/workflows/release.yml

@@ -26,6 +26,9 @@ jobs:
       - name: Install cosign
         uses: sigstore/cosign-installer@v3
 
+      - name: Install Syft
+        uses: anchore/sbom-action/download-syft@v0.20.5
+
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with: