Upgraded to the newest version of react-intl

package.json

@@ -23,7 +23,7 @@
     "query-string": "^7.0.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
-    "react-intl": "^2.8.0",
+    "react-intl": "^5.15.5",
     "react-linkify": "^0.2.2",
     "react-router-dom": "^5.2.0",
     "semantic-ui-css": "^2.4.1",
@@ -45,7 +45,6 @@
     "@types/md5": "^2.3.0",
     "@types/react": "^17.0.3",
     "@types/react-dom": "^17.0.3",
-    "@types/react-intl": "^2.3.15",
     "@types/react-router-dom": "^5.1.7",
     "@typescript-eslint/eslint-plugin": "^4.19.0",
     "@typescript-eslint/parser": "^4.19.0",