Bump react from 16.9.0 to 16.12.0

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 16.9.0 to 16.12.0.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v16.12.0/packages/react)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -10135,9 +10135,9 @@
       }
     },
     "react": {
-      "version": "16.9.0",
+      "version": "16.12.0",
-      "resolved": "https://registry.npmjs.org/react/-/react-16.9.0.tgz",
+      "resolved": "https://registry.npmjs.org/react/-/react-16.12.0.tgz",
-      "integrity": "sha512-+7LQnFBwkiw+BobzOF6N//BdoNw0ouwmSJTEm9cglOOmsg/TMiFHZLe2sEoN5M7LgJTj9oHH0gxklfnQe66S1w==",
+      "integrity": "sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==",
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",

package.json

@@ -3,7 +3,7 @@
   "version": "0.3.0",
   "private": true,
   "dependencies": {
-    "react": "^16.9.0",
+    "react": "^16.12.0",
     "react-dom": "^16.9.0",
     "react-scripts": "3.4.0"
   },