Update gitlab-svgs to 1.18.0

package.json

@@ -16,7 +16,7 @@
     "webpack-prod": "NODE_ENV=production webpack --config config/webpack.config.js"
   },
   "dependencies": {
-    "@gitlab-org/gitlab-svgs": "^1.17.0",
+    "@gitlab-org/gitlab-svgs": "^1.18.0",
     "autosize": "^4.0.0",
     "axios": "^0.17.1",
     "babel-core": "^6.26.0",

yarn.lock

@@ -54,9 +54,9 @@
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
-"@gitlab-org/gitlab-svgs@^1.17.0":
-  version "1.17.0"
-  resolved "https://registry.yarnpkg.com/@gitlab-org/gitlab-svgs/-/gitlab-svgs-1.17.0.tgz#d0c74d9e44c127ccfad16941f352088b86f86c89"
+"@gitlab-org/gitlab-svgs@^1.18.0":
+  version "1.18.0"
+  resolved "https://registry.yarnpkg.com/@gitlab-org/gitlab-svgs/-/gitlab-svgs-1.18.0.tgz#7829f0e6de0647dace54c1fcd597ee3424afb233"
 
 "@types/jquery@^2.0.40":
   version "2.0.48"