Bump @modelcontextprotocol/sdk and @angular/cli in /angular-20-example

Bumps [@modelcontextprotocol/sdk](https://github.com/modelcontextprotocol/typescript-sdk) to 1.26.0 and updates ancestor dependency [@angular/cli](https://github.com/angular/angular-cli). These dependencies need to be updated together.


Updates `@modelcontextprotocol/sdk` from 1.25.2 to 1.26.0
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](modelcontextprotocol/typescript-sdk@v1.25.2...v1.26.0)

Updates `@angular/cli` from 21.1.0 to 21.1.3
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@v21.1.0...v21.1.3)

---
updated-dependencies:
- dependency-name: "@modelcontextprotocol/sdk"
  dependency-version: 1.26.0
  dependency-type: indirect
- dependency-name: "@angular/cli"
  dependency-version: 21.1.3
  dependency-type: direct:development
...

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

Author: dependabot[bot]

angular-20-example/package-lock.json

@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^20.3.13",
-    "@angular/cli": "^21.1.0",
+    "@angular/cli": "^21.1.3",
     "@angular/compiler-cli": "^20.3.13",
     "@types/jasmine": "~4.6.4",
     "jasmine-core": "~4.6.1",