fix workflow

Author: Tim Blume

.github/workflows/main.yaml

@@ -33,6 +33,6 @@ jobs:
     - run: pyinstaller -F src/wgrd_cons_parsers/dic.py
     - run: pyinstaller -F src/wgrd_cons_parsers/scenario.py
     - run: pyinstaller -F src/wgrd_cons_parsers/xyz.py
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v4
       with:
         path: dist/*