Upgrade Angular dependencies to version to 21.2.12#14

Ashwini-SF5049 wants to merge 1 commit intoSyncfusionExamples:mainSyncfusionExamples/create-an-angular-dropdown-list-using-angular-cli:mainfrom

Ashwini-SF5049:EJ2-12345-angular-cliAshwini-SF5049/create-an-angular-dropdown-list-using-angular-cli:EJ2-12345-angular-cliCopy head branch name to clipboard