License generation for client

[lmazuel]

Implementation

• License generation for client TCGC Implementation #2273
• http-client-python License generation for client Implementation microsoft/typespec#6165
• [http-client-java] License generation for client Implementation microsoft/typespec#6166
• [http-client-ts] License generation for client Implementation autorest.typescript#3078
• [http-client-csharp] License generation for client Implementation microsoft/typespec#6167
• [http-client-go] License generation for client Implementation autorest.go#1505
• https://github.com/Azure/autorest.cpp/issues/500
• https://github.com/Azure/typespec-rust/issues/285