Bump axios from 0.15.3 to 0.21.2

Bumps [axios](https://github.com/axios/axios) from 0.15.3 to 0.21.2.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v0.21.2/CHANGELOG.md)
- [Commits](axios/axios@v0.15.3...v0.21.2)

---
updated-dependencies:
- dependency-name: axios
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -15,7 +15,7 @@
   "author": "Looshi and Jordan",
   "license": "MIT",
   "dependencies": {
-    "axios": "^0.15.3",
+    "axios": "^0.21.2",
     "classnames": "^2.2.5",
     "lodash": "4.17.21",
     "react": "^15.3.0",