test(e2e): Remove experimental intrumentation flag for Next.js onRequestError hook (#13020)

Author: Luca Forstner

dev-packages/e2e-tests/test-applications/nextjs-15/package.json

@@ -5,8 +5,8 @@
   "scripts": {
     "build": "next build > .tmp_build_stdout 2> .tmp_build_stderr || (cat .tmp_build_stdout && cat .tmp_build_stderr && exit 1)",
     "clean": "npx rimraf node_modules pnpm-lock.yaml",
-    "test:prod": "TEST_ENV=production __NEXT_EXPERIMENTAL_INSTRUMENTATION=1 playwright test",
-    "test:dev": "TEST_ENV=development __NEXT_EXPERIMENTAL_INSTRUMENTATION=1 playwright test",
+    "test:prod": "TEST_ENV=production playwright test",
+    "test:dev": "TEST_ENV=development playwright test",
     "test:build": "pnpm install && npx playwright install && pnpm build",
     "test:build-canary": "pnpm install && pnpm add next@canary && pnpm add react@beta && pnpm add react-dom@beta && npx playwright install && pnpm build",
     "test:build-latest": "pnpm install && pnpm add next@rc && pnpm add react@beta && pnpm add react-dom@beta && npx playwright install && pnpm build",
@@ -17,7 +17,7 @@
     "@types/node": "18.11.17",
     "@types/react": "18.0.26",
     "@types/react-dom": "18.0.9",
-    "next": "15.0.0-canary.63",
+    "next": "15.0.0-canary.77",
     "react": "beta",
     "react-dom": "beta",
     "typescript": "4.9.5"