chore(deps): Bump anchore/sbom-action from 0.20.10 to 0.21.0

Bumps [anchore/sbom-action](https://github.com/anchore/sbom-action) from 0.20.10 to 0.21.0.
- [Release notes](https://github.com/anchore/sbom-action/releases)
- [Changelog](https://github.com/anchore/sbom-action/blob/main/RELEASE.md)
- [Commits](anchore/sbom-action@fbfd9c6...a930d0a)

---
updated-dependencies:
- dependency-name: anchore/sbom-action
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/release.yaml

@@ -42,7 +42,7 @@ jobs:
         with:
           go-version: ${{ matrix.goversion }}
       - uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
-      - uses: anchore/sbom-action/download-syft@fbfd9c6c189226748411491745178e0c2017392d # v0.20.10
+      - uses: anchore/sbom-action/download-syft@a930d0ac434e3182448fe678398ba5713717112a # v0.21.0
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@9c156ee8a17a598857849441385a2041ef570552 # tag=v6.3.0
         with: