[Security] Bump axios from 0.18.0 to 0.19.0

Bumps [axios](https://github.com/axios/axios) from 0.18.0 to 0.19.0. **This update includes security fixes.**
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](axios/axios@v0.18.0...v0.19.0)

Author: dependabot-preview[bot]

package-lock.json

@@ -14,7 +14,7 @@
     "@fortawesome/fontawesome-svg-core": "^1.2.18",
     "@fortawesome/free-solid-svg-icons": "^5.8.2",
     "@fortawesome/vue-fontawesome": "^0.1.6",
-    "axios": "^0.18.0",
+    "axios": "^0.19.0",
     "github-markdown-css": "^2.10.0",
     "highlightjs-themes": "^1.0.0",
     "markdown-it": "^8.4.1",