Bump @angular/core from 20.3.12 to 20.3.16 in /sample-app-material

Bumps [@angular/core](https://github.com/angular/angular/tree/HEAD/packages/core) from 20.3.12 to 20.3.16.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/v20.3.16/packages/core)

---
updated-dependencies:
- dependency-name: "@angular/core"
  dependency-version: 20.3.16
  dependency-type: direct:production
...

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

Author: dependabot[bot]

sample-app-material/package.json

@@ -12,7 +12,7 @@
     "@angular/cdk": "^20.0.3",
     "@angular/common": "^20.0.4",
     "@angular/compiler": "^20.0.4",
-    "@angular/core": "^20.0.4",
+    "@angular/core": "^20.3.16",
     "@angular/forms": "^20.0.4",
     "@angular/material": "^20.0.3",
     "@angular/platform-browser": "^20.0.4",

sample-app-material/yarn.lock

@@ -338,10 +338,10 @@
   dependencies:
     tslib "^2.3.0"
 
-"@angular/core@^20.0.4":
-  version "20.3.12"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-20.3.12.tgz#1157edc57e7b7d227213713073975ed0d1588ec0"
-  integrity sha512-K7vibMr55a7+EsuDhkg4Pk+ELuMm12olllwqL/CiQUcHXZ9Zgc4KYGTUuxWB69qJCG90gdSZS7tm5Dx0wDcyjg==
+"@angular/core@^20.3.16":
+  version "20.3.16"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-20.3.16.tgz#c30038600e190ece0fa38452ef729e7b46416897"
+  integrity sha512-KSFPKvOmWWLCJBbEO+CuRUXfecX2FRuO0jNi9c54ptXMOPHlK1lIojUnyXmMNzjdHgRug8ci9qDuftvC2B7MKg==
   dependencies:
     tslib "^2.3.0"