Merge pull request #24 from netresearch/renovate/sigstore-cosign-installer-4.x

chore(deps): update sigstore/cosign-installer action to v4.1.0

Author: CybotTM

.github/workflows/docker-publish.yml

@@ -39,7 +39,7 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
+        uses: sigstore/cosign-installer@ba7bc0a3fef59531c69a25acd34668d6d3fe6f22 # v4.1.0
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
       - name: Setup Docker buildx