ci(deps): bump anchore/sbom-action from 0.15.5 to 0.15.8 (#384)

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@24b0d52...b6a39da)

---
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>

.github/workflows/releaser.yml

@@ -26,7 +26,7 @@ jobs:
  timeout-minutes: 5
  continue-on-error: true
  - uses: creekorful/goreportcard-action@1f35ced8cdac2cba28c9a2f2288a16aacfd507f9 # v1.0
- - uses: anchore/sbom-action/download-syft@24b0d5238516480139aa8bc6f92eeb7b54a9eb0a
+ - uses: anchore/sbom-action/download-syft@b6a39da80722a2cb0ef5d197531764a89b5d48c3
  - name: Install Cosign
  uses: sigstore/cosign-installer@9614fae9e5c5eddabb09f90a270fcb487c9f7149 # v3.3.0
  - name: Run GoReleaser