Bump axios from 0.20.0 to 0.21.0

Bumps [axios](https://github.com/axios/axios) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](axios/axios@v0.20.0...v0.21.0)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "yargs": "^16.0.3"
   },
   "devDependencies": {
-    "axios": "^0.20.0",
+    "axios": "^0.21.0",
     "chai": "^4.2.0",
     "eslint": "^6.0.1",
     "eslint-config-standard": "^14.0.1",