tsp, update typespec-java (Azure#35195)

Author: weidongxu-microsoft

eng/emitter-package.json

@@ -1,6 +1,6 @@
 {
     "main": "dist/src/index.js",
     "dependencies": {
-      "@azure-tools/typespec-java": "0.7.1"
+      "@azure-tools/typespec-java": "0.7.3"
     }
 }