build(deps): bump anchore/sbom-action (#680)

Bumps the github-actions group with 1 update in the /.github/actions/bootstrap directory: [anchore/sbom-action](https://github.com/anchore/sbom-action).


Updates `anchore/sbom-action` from 0.20.2 to 0.20.4
- [Release notes](https://github.com/anchore/sbom-action/releases)
- [Changelog](https://github.com/anchore/sbom-action/blob/main/RELEASE.md)
- [Commits](anchore/sbom-action@cee1b8e...7b36ad6)

Author: dependabot[bot]

.github/actions/bootstrap/action.yml

@@ -28,4 +28,4 @@ runs:
     # See https://goreleaser.com/blog/supply-chain-security/
     - name: installs syft for generating the SBOM with goreleaser
       if: "${{ inputs.goreleaser == 'true' }}"
-      uses: anchore/sbom-action/download-syft@cee1b8e05ae5b2593a75e197229729eabaa9f8ec # v0.20.2
+      uses: anchore/sbom-action/download-syft@7b36ad622f042cab6f59a75c2ac24ccb256e9b45 # v0.20.4