chore(deps-dev): update anchore/sbom-action action to v0.20.6 (#134)

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@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
-      - uses: anchore/sbom-action/download-syft@da167eac915b4e86f08b264dbdbc867b61be6f0c # v0.20.5
+      - uses: anchore/sbom-action/download-syft@f8bdd1d8ac5e901a77a92f111440fdb1b593736b # v0.20.6
       - name: Get tailscale
         run: |
           go install