Update gitlab-svgs to 1.2.8

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

package.json

@@ -18,7 +18,7 @@
     "webpack-prod": "NODE_ENV=production webpack --config config/webpack.config.js"
   },
   "dependencies": {
-    "@gitlab-org/gitlab-svgs": "^1.27.0",
+    "@gitlab-org/gitlab-svgs": "^1.28.0",
     "@gitlab-org/gitlab-ui": "1.0.5",
     "autosize": "^4.0.0",
     "axios": "^0.17.1",

yarn.lock

@@ -78,10 +78,14 @@
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
-"@gitlab-org/gitlab-svgs@^1.23.0", "@gitlab-org/gitlab-svgs@^1.27.0":
+"@gitlab-org/gitlab-svgs@^1.23.0":
   version "1.27.0"
   resolved "https://registry.yarnpkg.com/@gitlab-org/gitlab-svgs/-/gitlab-svgs-1.27.0.tgz#638e70399ebd59e503732177316bb9a18bf7a13f"
 
+"@gitlab-org/gitlab-svgs@^1.28.0":
+  version "1.28.0"
+  resolved "https://registry.yarnpkg.com/@gitlab-org/gitlab-svgs/-/gitlab-svgs-1.28.0.tgz#f689dfd46504df0a75027d6dd4ea01a71cd46f88"
+
 "@gitlab-org/gitlab-ui@1.0.5":
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/@gitlab-org/gitlab-ui/-/gitlab-ui-1.0.5.tgz#a64b402650494115c8b494a44b72c2d6fbf33fff"