Add Babel core, helpers, and runtime to development dependencies

CVE-2025-27789 was introduced in version 7.26.9, a dependency
for several packages. Since overriding the version had no effect, we’re
now adding these packages as dev dependencies to lock in a fixed
version.

Author: olmoh

desktop/package-lock.json

@@ -17,6 +17,9 @@
     "test": "npm run test --workspaces --if-present"
   },
   "devDependencies": {
+    "@babel/core": "7.26.10",
+    "@babel/helpers": "7.26.10",
+    "@babel/runtime": "7.26.10",
     "@eslint/js": "^9.10.0",
     "@types/eslint__js": "^8.42.3",
     "@types/node": "^20.17.9",