Sync PR https://github.com/microsoft/typespec/pull/10082, prepare typespec-java 0.43.2 and autorest.java 4.1.64 - #3307

Sync PR https://github.com/microsoft/typespec/pull/10082, prepare typespec-java 0.43.2 and autorest.java 4.1.64#3307

Xiaofei Cao (XiaofeiCao) wants to merge 7 commits into

mainAzure/autorest.java:mainfrom

java_fix_discriminator_no_subtypesAzure/autorest.java:java_fix_discriminator_no_subtypesCopy head branch name to clipboard