Fix code generation for Encoding enums - #439

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-dotnet@v4, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

'ServiceTicketRequest.SamAccountName' is obsolete: 'Using SamAccountName may cause non spec-compliant behavior. Use ClientName instead to set the client principal name that should be used in Kerberos responses in a spec-compliant manner.'