Merge pull request #78 from janus-idp/renovate/sigstore-cosign-installer-3.x

chore(deps): update sigstore/cosign-installer action to v3.1.1

Author: tumido

.github/workflows/release.yml

@@ -47,7 +47,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@dd6b2e2b610a11fd73dd187a43d57cc1394e35f9 # v3.0.5
+        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 # v3.1.1
 
       - name: Install Oras
         uses: oras-project/setup-oras@c90396b2ddabd5a364e6551a79984c86cc036996 # v1.0.0