build(deps): bump playwright and @playwright/test in /examples/webpack

Bumps [playwright](https://github.com/microsoft/playwright) to 1.56.1 and updates ancestor dependency [@playwright/test](https://github.com/microsoft/playwright). These dependencies need to be updated together.


Updates `playwright` from 1.53.1 to 1.56.1
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.53.1...v1.56.1)

Updates `@playwright/test` from 1.53.0 to 1.56.1
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.53.0...v1.56.1)

---
updated-dependencies:
- dependency-name: playwright
  dependency-version: 1.56.1
  dependency-type: indirect
- dependency-name: "@playwright/test"
  dependency-version: 1.56.1
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/webpack/package-lock.json

@@ -35,7 +35,7 @@
   "devDependencies": {
     "@babel/core": "^7.27.3",
     "@babel/preset-env": "^7.27.2",
-    "@playwright/test": "^1.53.0",
+    "@playwright/test": "^1.56.1",
     "@types/node": "^22.13.13",
     "babel-loader": "^10.0.0",
     "copy-webpack-plugin": "^13.0.0",