Bump axios from 0.18.1 to 0.21.1

Bumps [axios](https://github.com/axios/axios) from 0.18.1 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@v0.18.1...v0.21.1)

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

Author: dependabot[bot]

package-lock.json

@@ -17,7 +17,7 @@
     "start": "node _server/app.js"
   },
   "dependencies": {
-    "axios": "^0.18.0",
+    "axios": "^0.21.1",
     "cookie-parser": "^1.4.5",
     "cors": "^2.8.4",
     "http-errors": "~1.6.2",