install xmllint

Author: StackOverflowIsBetterThanAnyAI

.github/workflows/integration.yml

@@ -51,6 +51,9 @@ jobs:
           export default App
           EOF
 
+      - name: Install xmllint
+        run: sudo apt-get update && sudo apt-get install -y libxml2-utils
+
       - name: Start React App
         run: |
           cd integration