update test action

.gitea/workflows/action.yaml

@@ -25,7 +25,8 @@ jobs:
       - name: Set build variables for docker build
         id: variables-test
         uses: https://git.claeyscloud.com/david/gitea-actions/conditional-variables@main
-        context:
+        with:
+          context: |
             branch=${{ inputs.branch }
         rules:
           - conditions: