🌱 Bump sigstore/cosign-installer from 3.0.5 to 3.1.1

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.0.5 to 3.1.1.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](dd6b2e2b61...6e04d228eb)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/publishimage.yml

@@ -58,7 +58,7 @@ jobs:
             make install
             make scorecard-ko
      - name: Install Cosign
-       uses: sigstore/cosign-installer@dd6b2e2b610a11fd73dd187a43d57cc1394e35f9
+       uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06
      - name: Sign image
        run: |
           cosign sign --yes ghcr.io/${{github.repository_owner}}/scorecard/v4:${{ github.sha }}