chore(deps-dev): update anchore/sbom-action action to v0.21.0 (#40)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/release.yaml

@@ -33,7 +33,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Setup Cosign
         uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
-      - uses: anchore/sbom-action/download-syft@43a17d6e7add2b5535efe4dcae9952337c479a93 # v0.20.11
+      - uses: anchore/sbom-action/download-syft@a930d0ac434e3182448fe678398ba5713717112a # v0.21.0
       - name: Create release and SBOM
         if: startsWith(github.ref, 'refs/tags/v')
         uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0