chore(deps): bump axios version (#111)

Bumps [axios](https://github.com/axios/axios) from 0.17.1 to 0.19.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](axios/axios@v0.17.1...v0.19.0)

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

package.json

@@ -11,7 +11,7 @@
     "test": "tape tests/*.js | tap-spec"
   },
   "devDependencies": {
-    "axios": "^0.17.1",
+    "axios": "^0.19.0",
     "lerna": "^2.8.0",
     "tap-spec": "^4.1.1",
     "tape": "^4.8.0"