Bump anchore/sbom-action from 0.15.5 to 0.15.8 (#467)

Bumps [anchore/sbom-action](https://github.com/anchore/sbom-action) from 0.15.5 to 0.15.8.
- [Release notes](https://github.com/anchore/sbom-action/releases)
- [Commits](anchore/sbom-action@v0.15.5...v0.15.8)

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

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

Author: dependabot[bot]

.github/workflows/release.yaml

@@ -98,7 +98,7 @@ jobs:
 
       - uses: sigstore/cosign-installer@v2
 
-      - uses: anchore/sbom-action/[email protected].5
+      - uses: anchore/sbom-action/[email protected].8
 
       - uses: docker/setup-qemu-action@v3
         with: