Bump axios from 0.19.2 to 0.21.0

Bumps [axios](https://github.com/axios/axios) from 0.19.2 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@v0.19.2...v0.21.0) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -21,7 +21,7 @@
  "postinstall": "npm run prod"
  },
  "devDependencies": {
- "axios": "^0.19",
+ "axios": "^0.21",
  "bootstrap": "^4.0.0",
  "compression-webpack-plugin": "^6.1.1",
  "cross-env": "^7.0",