Sync core to latest HEAD of microsoft/typespec main: fix null LRO bodies, fix duplicate samples, update deps#3350

weidongxu-microsoft merged 5 commits into

mainAzure/autorest.java:mainfrom

copilot/sync-with-core-of-head-11007Azure/autorest.java:copilot/sync-with-core-of-head-11007Copy head branch name to clipboard