Bump webpack and @types/webpack (#7438)

Bumps [webpack](https://github.com/webpack/webpack) and [@types/webpack](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/webpack). These dependencies needed to be updated together.

Updates `webpack` from 5.76.1 to 5.77.0
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.76.1...v5.77.0)

Updates `@types/webpack` from 5.28.0 to 5.28.1
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/webpack)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: "@types/webpack"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

packages/legacy-extension-example/package.json

@@ -40,7 +40,7 @@
     "@k8slens/extensions": "^6.5.0-alpha.3",
     "@types/node": "^16.18.16",
     "typescript": "^4.9.5",
-    "webpack": "^5.76.1",
+    "webpack": "^5.77.0",
     "webpack-cli": "^5.0.1"
   }
 }