Bump @clusterws/cws from 0.14.0 to 0.15.0 (#11379)

Bumps @clusterws/cws from 0.14.0 to 0.15.0.

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

package.json

@@ -71,7 +71,7 @@
     "@babel/preset-env": "^7.4.5",
     "@babel/preset-react": "^7.0.0",
     "@babel/runtime": "^7.5.4",
-    "@clusterws/cws": "^0.14.0",
+    "@clusterws/cws": "^0.15.0",
     "array-includes": "^3.0.3",
     "autoprefixer": "^9.6.0",
     "axios": "^0.19.0",