Fix: change ca filename

action.yaml

@@ -56,14 +56,14 @@ runs:
       uses: docker/[email protected]
     - name: Setup Root CA
       run: |
-        echo "${{ inputs.registry-certificate }}" | tee ca.pem
+        echo "${{ inputs.registry-certificate }}" | tee rootca.pem
     - name: Setup Docker BuildX
       uses: docker/[email protected]
       with:
         #buildkitd-flags: --debug
         config-inline: |
           [registry."${{ inputs.push-registry }}"]
-            ca = ["ca.pem"]
+            ca = ["rootca.pem"]
     - name: Login to registry
       uses: docker/[email protected]
       with: