fix again

.github/workflows/docker.yaml

@@ -32,7 +32,7 @@ jobs:
       # Install the cosign tool except on PR
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
-        if: inputs.publish
+        if: github.event_name != 'pull_request'
         uses: sigstore/cosign-installer@v3
 
       - name: Set up QEMU
@@ -49,7 +49,7 @@ jobs:
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
-        if: inputs.publish
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
@@ -72,7 +72,7 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: base
-          push: ${{ inputs.publish }}
+          push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
@@ -85,7 +85,7 @@ jobs:
       # transparency data even for private images, pass --force to cosign below.
       # https://github.com/sigstore/cosign
       - name: Sign the published Docker image
-        if: inputs.publish
+        if: github.event_name != 'pull_request'
         env:
           # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
           TAGS: ${{ steps.meta.outputs.tags }}