Update base module and regenerate client for 9.0.0b1

[roycaihw]

contains several improvements. Note that moving adal under extra_require is still WIP in main repo (merged in python-base repo)

[roycaihw]

/assign @yliaog

[yliaog]

kubernetes/client/api_client.py.orig is in the commit, is it intentional?

[roycaihw]

@yliaog it's from https://github.com/kubernetes-client/gen/blob/d0821e65aa3474ce69b6bd64219d9c2082c391b7/openapi/python.sh#L64-L66

removed. I don't think we need to keep the patch backup here. I will send a change to gen to clean it up (like what we do for:

python/scripts/update-client.sh

Line 73 in 7486e19

git apply "${SCRIPT_ROOT}/rest_client_patch.diff"

[roycaihw]

the backup turns out to be from an unintentional mismatch. sent a cleanup kubernetes-client/gen#102

[yliaog]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: roycaihw, yliaog

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [roycaihw,yliaog]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment