Update dependency start-server-and-test to v3

Author: renovate[bot]

Tekst-Web/package-lock.json

@@ -67,7 +67,7 @@
     "npm-run-all2": "^8.0.0",
     "openapi-typescript": "^7.4.1",
     "prettier": "^3.3.3",
-    "start-server-and-test": "^2.0.8",
+    "start-server-and-test": "^3.0.0",
     "typescript": "~5.9.0",
     "vite": "^7.0.0",
     "vue-tsc": "^3.0.0",