Bump @angular/cdk from 19.2.19 to 20.0.5 in /web_embedding/ng-flutter

Bumps [@angular/cdk](https://github.com/angular/components) from 19.2.19 to 20.0.5.
- [Release notes](https://github.com/angular/components/releases)
- [Changelog](https://github.com/angular/components/blob/main/CHANGELOG.md)
- [Commits](angular/components@19.2.19...20.0.5)

---
updated-dependencies:
- dependency-name: "@angular/cdk"
  dependency-version: 20.0.5
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

web_embedding/ng-flutter/package.json

@@ -12,7 +12,7 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "^20.0.3",
-    "@angular/cdk": "^19.0.0",
+    "@angular/cdk": "^20.0.5",
     "@angular/common": "^19.0.0",
     "@angular/compiler": "^20.0.6",
     "@angular/core": "^20.0.3",