Bump upload-artifact action

Author: d-gubert

.github/workflows/build_and_test.yml

@@ -65,7 +65,7 @@ jobs:
               run: |
                   tar czf /tmp/workspace.tar.gz .
 
-            - uses: actions/upload-artifact@v2
+            - uses: actions/upload-artifact@v4
               with:
                   name: workspace
                   path: /tmp/workspace.tar.gz
@@ -140,7 +140,7 @@ jobs:
               run: |
                   tar czf /tmp/workspace.tar.gz .
 
-            - uses: actions/upload-artifact@v2
+            - uses: actions/upload-artifact@v4
               with:
                   name: workspace
                   path: /tmp/workspace.tar.gz