Bump @angular/core from 8.0.2 to 10.2.5 in /angular

Bumps [@angular/core](https://github.com/angular/angular/tree/HEAD/packages/core) from 8.0.2 to 10.2.5.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/10.2.5/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/10.2.5/packages/core)

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

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

angular/package.json

@@ -17,7 +17,7 @@
     "@angular/cdk": "^8.0.1",
     "@angular/common": "8.0.2",
     "@angular/compiler": "8.0.2",
-    "@angular/core": "8.0.2",
+    "@angular/core": "10.2.5",
     "@angular/forms": "8.0.2",
     "@angular/http": "7.2.15",
     "@angular/material": "^8.0.1",