⬇️(app-desk) downgrade @openfun/cunningham-react

Downgrade @openfun/cunningham-react to 2.4.0, because of a
compatibility problem with Jest.

We add this package with this version to the ignore list
in renovate.json, when we will have a new compatible version, we will
remove it from the ignore list.

renovate.json

@@ -20,6 +20,13 @@
       "matchManagers": ["npm"],
       "matchPackageNames": ["@types/react-dom"],
       "allowedVersions": ">18.2.19"
+    },
+    {
+      "enabled": false,
+      "groupName": "ignored js @openfun/cunningham-react@2.5.0",
+      "matchManagers": ["npm"],
+      "matchPackageNames": ["@openfun/cunningham-react"],
+      "allowedVersions": ">2.5.0"
     }
   ]
 }