Bump axios from 0.19.0 to 0.21.1 in /ReactApp

Bumps [axios](https://github.com/axios/axios) from 0.19.0 to 0.21.1.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v0.21.1/CHANGELOG.md)
- [Commits](axios/axios@v0.19.0...v0.21.1)

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

Author: dependabot[bot]

ReactApp/package-lock.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "@babel/polyfill": "^7.2.5",
     "ajv": "^6.12.6",
-    "axios": "^0.18.1",
+    "axios": "^0.21.1",
     "axios-retry": "^3.1.2",
     "connected-react-router": "^4.3.0",
     "envfile": "^2.3.0",