Updated cosign-installer to 3.0.4

Updated Cosign to v2.2.1
Added --yes to cosign command.
Fixes #4

.github/workflows/docker-publish.yml

@@ -38,9 +38,9 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@7e0881f8fe90b25e305bbf0309761e9314607e25
+        uses: sigstore/cosign-installer@3.0.4
         with:
-          cosign-release: 'v1.9.0'
+          cosign-release: 'v2.2.1'
 
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
@@ -90,4 +90,4 @@ jobs:
           COSIGN_EXPERIMENTAL: "true"
         # This step uses the identity token to provision an ephemeral certificate
         # against the sigstore community Fulcio instance.
-        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}
+        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign --yes {}@${{ steps.build-and-push.outputs.digest }}