chore(deps): bump react-app-rewired from 2.1.9 to 2.2.1 in /docs-site

Bumps [react-app-rewired](https://github.com/timarney/react-app-rewired) from 2.1.9 to 2.2.1.
- [Release notes](https://github.com/timarney/react-app-rewired/releases)
- [Commits](timarney/react-app-rewired@v2.1.9...v2.2.1)

---
updated-dependencies:
- dependency-name: react-app-rewired
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs-site/package.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "highlight.js": "^11.3.1",
     "react": "^17.0.2",
-    "react-app-rewired": "^2.1.9",
+    "react-app-rewired": "^2.2.1",
     "react-dom": "^17.0.2",
     "react-live": "^2.3.0",
     "react-scripts": "4.0.3"

docs-site/yarn.lock

@@ -10207,10 +10207,10 @@ react-app-polyfill@^2.0.0:
     regenerator-runtime "^0.13.7"
     whatwg-fetch "^3.4.1"
 
-react-app-rewired@^2.1.9:
-  version "2.1.9"
-  resolved "https://registry.yarnpkg.com/react-app-rewired/-/react-app-rewired-2.1.9.tgz#20c432c6414d354547e232c4fa1ac1112615ca3e"
-  integrity sha512-eOIRsDXbRCA9x+vIABS+VFBXO78bUbZ1pIyOuAkbP0Y6NEfbr4v9lHAyGsix4DxNcKpPqKYtvDKKlbOxMUCxlw==
+react-app-rewired@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/react-app-rewired/-/react-app-rewired-2.2.1.tgz#84901ee1e3f26add0377ebec0b41bcdfce9fc211"
+  integrity sha512-uFQWTErXeLDrMzOJHKp0h8P1z0LV9HzPGsJ6adOtGlA/B9WfT6Shh4j2tLTTGlXOfiVx6w6iWpp7SOC5pvk+gA==
   dependencies:
     semver "^5.6.0"