Include example codes in version update script #5983
Description
Is your feature request related to a problem or challenge?
Version number in our examples are easy to forget, we should keep them up to date as well
Describe the solution you'd like
Maybe we could update the script here to automatically clean it up: https://github.com/apache/arrow-datafusion/blob/main/dev/update_datafusion_versions.py
Originally posted by @alamb in #5962 (comment)