update emitter-package dependencies (#47409)

Author: msyyc

eng/emitter-package-lock.json

@@ -14,8 +14,8 @@
     "@typespec/streams": "~0.82.0",
     "@typespec/xml": "~0.82.0",
     "@typespec/openapi3": "1.12.0",
-    "@typespec/http-client-python": "^0.30.1",
-    "@azure-tools/openai-typespec": "1.19.0",
+    "@typespec/http-client-python": "^0.31.0",
+    "@azure-tools/openai-typespec": "1.20.0",
     "@azure-tools/typespec-autorest": "~0.68.0",
     "@azure-tools/typespec-azure-core": "~0.68.0",
     "@azure-tools/typespec-azure-resource-manager": "~0.68.0",