Upgrade: Bump axios from 0.19.2 to 0.21.1

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/v0.21.1/CHANGELOG.md)
- [Commits](axios/axios@v0.19.2...v0.21.1)

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

Author: dependabot[bot]

package-lock.json

@@ -8,7 +8,7 @@
     "@testing-library/react": "^9.3.2",
     "@testing-library/user-event": "^7.1.2",
     "antd": "^4.2.3",
-    "axios": "^0.19.2",
+    "axios": "^0.21.1",
     "highlight.js": "^10.5.0",
     "lodash": "^4.17.20",
     "markdown-it": "^12.0.4",