Update to react 17.0 (dotnet/aspnetcore#32045)

Commit migrated from dotnet/aspnetcore@23d7fb4adc

src/content/React-CSharp/ClientApp/package.json

@@ -6,30 +6,27 @@
     "bootstrap": "^4.1.3",
     "http-proxy-middleware": "^0.19.1",
     "jquery": "^3.5.1",
-    "merge": "^1.2.1",
+    "merge": "^2.1.1",
     "oidc-client": "^1.9.0",
-    "react": "^16.0.0",
-    "react-dom": "^16.0.0",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
     "react-router-bootstrap": "^0.25.0",
-    "react-router-dom": "^5.1.2",
-    "react-scripts": "^3.4.4",
-    "reactstrap": "^8.4.1",
+    "react-router-dom": "^5.2.0",
+    "react-scripts": "^4.0.3",
+    "reactstrap": "^8.9.0",
     "rimraf": "^2.6.2"
   },
   "devDependencies": {
     "ajv": "^6.9.1",
-    "cross-env": "^5.2.0",
-    "eslint": "^6.8.0",
-    "eslint-config-react-app": "^5.2.0",
-    "eslint-plugin-flowtype": "^4.6.0",
-    "eslint-plugin-import": "^2.20.1",
-    "eslint-plugin-jsx-a11y": "^6.2.3",
-    "eslint-plugin-react": "^7.18.3",
-    "nan": "^2.14.1",
-    "typescript": "^3.7.5"
-  },
-  "eslintConfig": {
-    "extends": "react-app"
+    "cross-env": "^7.0.3",
+    "eslint": "^7.25.0",
+    "eslint-config-react-app": "^6.0.0",
+    "eslint-plugin-flowtype": "^5.7.2",
+    "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-jsx-a11y": "^6.4.1",
+    "eslint-plugin-react": "^7.23.2",
+    "nan": "^2.14.2",
+    "typescript": "^4.2.4"
   },
   "scripts": {
 //#if(RequiresHttps)
@@ -41,6 +38,11 @@
     "eject": "react-scripts eject",
     "lint": "eslint ./src/"
   },
+  "eslintConfig": {
+    "extends": [
+      "react-app"
+    ]
+  },
   "browserslist": {
     "production": [
       ">0.2%",

src/content/ReactRedux-CSharp/ClientApp/package.json

@@ -9,8 +9,8 @@
     "jquery": "^3.5.1",
     "merge": "1.2.1",
     "popper.js": "^1.16.0",
-    "react": "16.11.0",
-    "react-dom": "16.11.0",
+    "react": "^17.0.0",
+    "react-dom": "^17.0.0",
     "react-redux": "7.1.1",
     "react-router": "5.1.2",
     "react-router-dom": "5.1.2",
@@ -24,8 +24,8 @@
     "@types/history": "4.7.3",
     "@types/jest": "24.0.19",
     "@types/node": "12.11.6",
-    "@types/react": "16.9.9",
-    "@types/react-dom": "16.9.2",
+    "@types/react": "^17.0.0",
+    "@types/react-dom": "^17.0.0",
     "@types/react-redux": "7.1.5",
     "@types/react-router": "5.1.2",
     "@types/react-router-dom": "5.1.0",