Bump axios from 0.19.2 to 0.21.2

Bumps [axios](https://github.com/axios/axios) from 0.19.2 to 0.21.2.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](axios/axios@v0.19.2...v0.21.2)

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

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

package.json

@@ -76,7 +76,7 @@
         "@ont-community/html5-websocket": "^2.0.2",
         "@ont-dev/hdkey-secp256r1": "^1.1.2",
         "@ont-dev/sm.js": "^0.1.7",
-        "axios": "^0.19.0",
+        "axios": "^0.21.2",
         "babel-polyfill": "^6.26.0",
         "base-58": "^0.0.1",
         "base64-url": "^2.2.0",