build(deps): bump koa and @nx/angular (#11166)

Bumps [koa](https://github.com/koajs/koa) to 3.0.1 and updates ancestor dependency [@nx/angular](https://github.com/nrwl/nx/tree/HEAD/packages/angular). These dependencies need to be updated together.


Updates `koa` from 2.16.1 to 3.0.1
- [Release notes](https://github.com/koajs/koa/releases)
- [Changelog](https://github.com/koajs/koa/blob/master/History.md)
- [Commits](https://github.com/koajs/koa/compare/v2.16.1...v3.0.1)

Updates `@nx/angular` from 21.2.2 to 21.4.1
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/21.4.1/packages/angular)

---
updated-dependencies:
- dependency-name: koa
  dependency-version: 3.0.1
  dependency-type: indirect
- dependency-name: "@nx/angular"
  dependency-version: 21.4.1
  dependency-type: direct:development
...

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

package.json

@@ -78,7 +78,7 @@
     "@angular/cli": "19.2.14",
     "@angular/compiler-cli": "19.2.6",
     "@chromatic-com/storybook": "1.7.0",
-    "@nx/angular": "21.2.2",
+    "@nx/angular": "21.4.1",
     "@nx/eslint-plugin": "20.8.0",
     "@nx/js": "20.8.0",
     "@nx/node": "20.8.0",