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] <support@dependabot.com>

package.json

@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "ava": "^3.8.2",
-    "axios": "^0.20.0",
+    "axios": "^0.21.0",
     "eslint": "^7.2.0",
     "eslint-config-standard": "^14.1.1",
     "eslint-plugin-import": "^2.20.2",