Update dependency start-server-and-test to v1.11.0

Author: renovate-bot

package-lock.json

@@ -38,7 +38,7 @@
     "istanbul-lib-coverage": "2.0.5",
     "nyc": "14.1.1",
     "script-ext-html-webpack-plugin": "2.1.4",
-    "start-server-and-test": "1.10.11",
+    "start-server-and-test": "1.11.0",
     "webpack": "4.42.1",
     "webpack-cli": "3.3.11",
     "webpack-dev-server": "3.10.3"