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/master/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v0.19.2...v0.21.1)

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

package.json

@@ -10,7 +10,7 @@
         "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
     },
     "devDependencies": {
-        "axios": "^0.19",
+        "axios": "^0.21",
         "cross-env": "^5.1",
         "laravel-mix": "^5.0.4",
         "resolve-url-loader": "^2.3.1",