Bump axios from 0.8.1 to 0.18.1 (#426)

Bumps [axios](https://github.com/axios/axios) from 0.8.1 to 0.18.1.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v0.18.1/CHANGELOG.md)
- [Commits](axios/axios@v0.8.1...v0.18.1)

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Author: dependabot[bot]

package-lock.json

@@ -14,7 +14,7 @@
   "devDependencies": {
     "acacha-forms": "^1.0.0",
     "admin-lte": "^2.4.2",
-    "axios": "^0.8",
+    "axios": "^0.18",
     "babel-eslint": "^7.1.1",
     "bootstrap": "3.3.7",
     "popper.js": "^1.12",