[RELEASE] Release table service python client
[RELEASE] Release table service python client


Descriptions of the changes in this PR:

*Motivation*

Update the table service python client version to release version

*Modifications*

Bump the version to 4.9.0




Reviewers: Enrico Olivelli <eolivelli@gmail.com>

This closes #1906 from sijie/release_python_client
apache/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,apache/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,apache/bookkeeper,apache/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,apache/bookkeeper,apache/bookkeeper