Bump anchore/sbom-action from 0.15.0 to 0.15.1 (nginx#1326)

Bumps [anchore/sbom-action](https://github.com/anchore/sbom-action) from 0.15.0 to 0.15.1.
- [Release notes](https://github.com/anchore/sbom-action/releases)
- [Commits](anchore/sbom-action@fd74a6f...5ecf649)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: miledxz

.github/workflows/ci.yml

@@ -122,7 +122,7 @@ jobs:
         if: ${{ github.event_name == 'push' && github.ref != 'refs/heads/main' }}
 
       - name: Download Syft
-        uses: anchore/sbom-action/download-syft@fd74a6fb98a204a1ad35bbfae0122c1a302ff88b # v0.15.0
+        uses: anchore/sbom-action/download-syft@5ecf649a417b8ae17dc8383dc32d46c03f2312df # v0.15.1
         if: github.ref_type == 'tag'
 
       - name: Install Cosign