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/build-and-sign-image.yml

@@ -28,7 +28,7 @@ jobs:
  uses: actions/checkout@v3
 
  - name: Install cosign
- uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 #v3.0.2
+ uses: sigstore/cosign-installer@11086d25041f77fe8fe7b9ea4e48e3b9192b8f19 #v3.0.2
  with:
  cosign-release: 'v1.13.1'