Bump sigstore/cosign-installer from 2.6.0 to 2.7.0 (#40)

Author: dependabot[bot]

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
         check-latest: true
 
     - name: Install cosign
-      uses: sigstore/cosign-installer@f3c664df7af409cb4873aa5068053ba9d61a57b6 # v2.2.1
+      uses: sigstore/cosign-installer@ced07f21fb1da67979f539bbc6304c16c0677e76 # v2.2.1
 
     - name: Install GoReleaser
       uses: goreleaser/goreleaser-action@ff11ca24a9b39f2d36796d1fbd7a4e39c182630a # v2.9.1