chore(deps): update dependency start-server-and-test to v2 (#611)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

demo-v5/package-lock.json

@@ -44,7 +44,7 @@
     "node-fetch": "^2.6.1",
     "npm-run-all": "^4.1.5",
     "path-to-regexp": "^6.0.0",
-    "start-server-and-test": "^1.12.2",
+    "start-server-and-test": "^2.0.0",
     "tempy": "^1.0.0"
   },
   "license": "MIT",

demo-v5/package.json

@@ -44,7 +44,7 @@
     "node-fetch": "^2.6.1",
     "npm-run-all": "^4.1.5",
     "path-to-regexp": "^6.0.0",
-    "start-server-and-test": "^1.12.2",
+    "start-server-and-test": "^2.0.0",
     "tempy": "^1.0.0"
   },
   "license": "MIT",