Update react-scripts (#16)

client/.eslintrc.json

@@ -1,9 +0,0 @@
-{
-      "extends": [
-            "react-app",
-            "react-app/jest"
-      ],
-      "ignorePatterns": [
-            "node_modules/"
-      ]
-}

client/package.json

@@ -34,7 +34,7 @@
     "react-router-bootstrap": "^0.25.0",
     "react-router-dom": "^5.3.1",
     "react-router-redux": "^5.0.0-alpha.9",
-    "react-scripts": "4.0.2",
+    "react-scripts": "5.0.1",
     "redux": "^4.0.4",
     "redux-auth-wrapper": "^2.0.2",
     "redux-signalr": "0.0.6",
@@ -42,6 +42,7 @@
     "signalr": "^2.4.1",
     "sockette": "^2.0.0",
     "typescript": "^4.1.5",
+    "url": "^0.11.0",
     "web-vitals": "^1.1.0"
   },
   "scripts": {