Sync eng/common directory with azure-sdk-tools for PR 3702 (#30037)
Sync eng/common directory with azure-sdk-tools for PR 3702 (#30037)

* Add language-service to list of valid sample slugs

* Update link to taxonomies

Co-authored-by: Heath Stewart <000adcdb538a23958a5c8a47bf9d5190b62aba33@microsoft.com>
Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java