Update readme.python.md (#22783)

Author: msyyc

specification/digitaltwins/resource-manager/readme.python.md

@@ -17,7 +17,7 @@ Generate all API versions currently shipped for this package
 
 ```yaml $(python)
 multiapi: true
-default-api-version: "2022-10-31"
+default-api-version: "2023-01-31"
 clear-output-folder: true
 batch:
   - tag: package-2023-01