Bump axios from 0.19.2 to 0.21.1 in /passit/frontend

Bumps [axios](https://github.com/axios/axios) from 0.19.2 to 0.21.1.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](axios/axios@v0.19.2...v0.21.1)

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

passit/frontend/package.json

@@ -13,7 +13,7 @@
     "@testing-library/user-event": "^7.2.1",
     "@typescript-eslint/eslint-plugin": "^2.10.0",
     "@typescript-eslint/parser": "^2.10.0",
-    "axios": "^0.19.2",
+    "axios": "^0.21.1",
     "babel-eslint": "10.0.3",
     "babel-jest": "^24.9.0",
     "babel-loader": "8.0.6",