🌱 Bump sigstore/cosign-installer from 3.1.1 to 3.1.2 (#3446)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](6e04d228eb...11086d2504)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  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/publishimage.yml

@@ -61,7 +61,7 @@ jobs:
             make install
             make scorecard-ko
      - name: Install Cosign
-       uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06
+       uses: sigstore/cosign-installer@11086d25041f77fe8fe7b9ea4e48e3b9192b8f19
      - name: Sign image
        run: |
           cosign sign --yes ghcr.io/${{github.repository_owner}}/scorecard/v4:${{ github.sha }}