Bump axios from 0.17.1 to 0.21.1

Bumps [axios](https://github.com/axios/axios) from 0.17.1 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@v0.17.1...v0.21.1)

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

Author: dependabot[bot]

package-lock.json

@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "@fortawesome/fontawesome-free": "^5.6.3",
-    "axios": "^0.17",
+    "axios": "^0.21",
     "bootstrap-sass": "^3.4.0",
     "cross-env": "^5.2.0",
     "jquery": "^3.5",