Update XML_lint.yml

.github/workflows/XML_lint.yml

@@ -9,7 +9,7 @@ on:
       - 'XML/**/*.xml'
 
 jobs:
-  Verweise:
+  XSD-Schema:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
@@ -27,5 +27,20 @@ jobs:
     - name: XSD-Schema-Validierung
       run: python Scripts/lint_validation.py
       
+  Verweise:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Python-Setup
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.x'
+    
+    - name: Abhängigkeiten installieren
+      run: |
+        python -m pip install --upgrade pip
+        pip install lxml
+      
     - name: Verweise prüfen 
       run: python Scripts/lint_verweise.py