chore(deps): update anchore/sbom-action action to v0.21.1 (#140)

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

Author: renovate[bot]

.github/workflows/release.yaml

@@ -37,7 +37,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-go-
       - uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
-      - uses: anchore/sbom-action/download-syft@a930d0ac434e3182448fe678398ba5713717112a # v0.21.0
+      - uses: anchore/sbom-action/download-syft@0b82b0b1a22399a1c542d4d656f70cd903571b5c # v0.21.1
 
       - name: Set Up Docker Buildx
         uses: docker/setup-buildx-action@v3