updating front-end deps

Author: alexandremagno

frontend/package-lock.json

@@ -109,7 +109,7 @@
     "react-dom": "^17.0.0",
     "react-ga": "^3.3.1",
     "react-google-recaptcha": "^2.1.0",
-    "react-intl": "^6.2.10",
+    "react-intl": "^5.0",
     "react-intl-redux": "^2.3.0",
     "react-mailchimp-subscribe": "^1.0.2",
     "react-moment": "^0.7.0",