chore(deps): update dependency @angular/core to v20.3.18 [security]

Author: renovate[bot]

package.json

@@ -71,7 +71,7 @@
     "@angular/common": "20.3.10",
     "@angular/compiler": "20.3.10",
     "@angular/compiler-cli": "20.3.10",
-    "@angular/core": "20.3.10",
+    "@angular/core": "20.3.18",
     "@angular/forms": "20.3.10",
     "@angular/language-service": "20.3.10",
     "@angular/platform-browser": "20.3.10",