Bump playwright and @playwright/test in /e2e (#967)

Update `playwright` from 1.49.0 to 1.56.1
Update `@playwright/test` from 1.49.0 to 1.56.1

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Author: dependabot[bot]

e2e/package-lock.json

@@ -12,7 +12,7 @@
   },
   "devDependencies": {
     "@axe-core/playwright": "^4.10.1",
-    "@playwright/test": "^1.49.0",
+    "@playwright/test": "^1.56.1",
     "@types/node": "^22.10.1",
     "prettier": "^3.5.3",
     "typescript": "^5.8.2"