build(deps-dev): bump webpack from 5.88.2 to 5.89.0 in /example

Bumps [webpack](https://github.com/webpack/webpack) from 5.88.2 to 5.89.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.88.2...v5.89.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

example/package.json

@@ -20,7 +20,7 @@
     "serverless": "3.35.2",
     "serverless-vpc-plugin": "smoketurner/serverless-vpc-plugin#master",
     "serverless-webpack": "5.13.0",
-    "webpack": "5.88.2",
+    "webpack": "5.89.0",
     "webpack-node-externals": "3.0.0"
   }
 }