🌱 Bump sigstore/cosign-installer from 2.8.1 to 3.0.1

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 2.8.1 to 3.0.1.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](9becc61764...c3667d9942)

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

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

.github/workflows/publishimage.yml

@@ -61,7 +61,7 @@ jobs:
             make install
             make scorecard-ko
      - name: Install Cosign
-       uses: sigstore/cosign-installer@9becc617647dfa20ae7b1151972e9b3a2c338a2b
+       uses: sigstore/cosign-installer@c3667d99424e7e6047999fb6246c0da843953c65
      - name: Sign image
        run: |
           cosign sign ghcr.io/${{github.repository_owner}}/scorecard/v4:${{ github.sha }}