gha: bump sigstore/cosign-installer from 3.1.1 to 3.1.2

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](sigstore/cosign-installer@6e04d22...11086d2)

---
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>

.github/workflows/release.yml

@@ -87,7 +87,7 @@ jobs:
             ${{ runner.os }}-go-
             
       - name: Cosign
-        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 # v1.4.1
+        uses: sigstore/cosign-installer@11086d25041f77fe8fe7b9ea4e48e3b9192b8f19 # v1.4.1
 
       - name: Generate SBOM
         uses: anchore/sbom-action/download-syft@78fc58e266e87a38d4194b2137a3d4e9bcaf7ca1 # v0.6.0