forgot missing date-fns in package.json

Author: alexanderlz

frontend/package.json

@@ -15,6 +15,7 @@
     "ace-builds": "1.33.0",
     "ajv": "8.8.2",
     "ajv-formats": "2.1.1",
+    "date-fns": "4.1.0",
     "json-schema-faker": "0.5.6",
     "jsonpath-plus": "10.0.7",
     "lossless-json": "2.0.11",