chore(deps): update actions/upload-artifact action to v6 (#307)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/mega-linter.yml

@@ -94,7 +94,7 @@ jobs:
 
       # Upload MegaLinter artifacts
       - name: Archive production artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: success() || failure()
         with:
           name: MegaLinter reports