Bump axios from 0.18.1 to 0.19.0 in /client

Bumps [axios](https://github.com/axios/axios) from 0.18.1 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@v0.18.1...v0.19.0)

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

Author: dependabot[bot]

client/package.json

@@ -14,7 +14,7 @@
     "build": "node build/build.js"
   },
   "dependencies": {
-    "axios": "^0.18.1",
+    "axios": "^0.19.0",
     "vue": "^2.5.2",
     "vue-router": "^3.0.1",
     "vuex": "^3.0.1"

client/yarn.lock

@@ -420,9 +420,9 @@ aws4@^1.6.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.7.0.tgz#d4d0e9b9dbfca77bf08eeb0a8a471550fe39e289"
 
-axios@^0.18.1:
-  version "0.18.1"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.18.1.tgz#ff3f0de2e7b5d180e757ad98000f1081b87bcea3"
+axios@^0.19.0:
+  version "0.19.0"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.0.tgz#8e09bff3d9122e133f7b8101c8fbdd00ed3d2ab8"
   dependencies:
     follow-redirects "1.5.10"
     is-buffer "^2.0.2"