Bump react-scripts to v4.0.3

ui/package.json

@@ -27,7 +27,7 @@
     "react-dom": "^16.13.1",
     "react-redux": "7.2.2",
     "react-router-dom": "5.2.0",
-    "react-scripts": "3.4.3",
+    "react-scripts": "4.0.3",
     "react-syntax-highlighter": "15.4.3",
     "recharts": "1.8.5",
     "typescript": "~3.7.2"

ui/tsconfig.json

@@ -1,7 +1,11 @@
 {
   "compilerOptions": {
     "target": "es5",
-    "lib": ["dom", "dom.iterable", "esnext"],
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
     "allowJs": true,
     "skipLibCheck": true,
     "esModuleInterop": true,
@@ -13,7 +17,10 @@
     "resolveJsonModule": true,
     "isolatedModules": true,
     "noEmit": true,
-    "jsx": "react"
+    "jsx": "react",
+    "noFallthroughCasesInSwitch": true
   },
-  "include": ["src"]
+  "include": [
+    "src"
+  ]
 }