yarn up react-scripts

This doesn't compile due to breaking changes, but we have to commit
before ejecting.

package.json

@@ -54,7 +54,7 @@
         "react-dropzone": "^12.0.4",
         "react-monaco-editor": "^0.47.0",
         "react-redux": "^7.2.6",
-        "react-scripts": "^4.0.3",
+        "react-scripts": "^5.0.1",
         "react-splitter-layout": "^4.0.0",
         "redux": "^4.1.2",
         "redux-logger": "^3.0.6",
@@ -70,9 +70,9 @@
         "zen-push": "^0.2.1"
     },
     "scripts": {
-        "start": "craco start",
-        "build": "craco build",
-        "test": "craco test --env=./test/env.js",
+        "start": "react-scripts start",
+        "build": "react-scripts build",
+        "test": "react-scripts test --env=./test/env.js",
         "coverage": "yarn test --coverage --watchAll=false",
         "coverage:html": "yarn coverage --coverageReporters html",
         "eject": "react-scripts eject",