Update actions/upload-artifact action to v5

Author: renovate[bot]

.github/workflows/mega-linter.yml

@@ -53,7 +53,7 @@ jobs:
       # Upload MegaLinter artifacts
       - name: Archive production artifacts
         if: success() || failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: MegaLinter reports
           include-hidden-files: 'true'