[cas] update client revision
[cas] update client revision

This is fix for https://crrev.com/c/2573707

Bug: 1155432
Change-Id: Ifcc3dc679f1c81401fcb2193880e76c89dad218b
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/recipes-py/+/2574000
Reviewed-by: Ye Kuang <1cd89f22f3967fc3dcb883b53940be4b98ec483f@google.com>
Commit-Queue: Ye Kuang <1cd89f22f3967fc3dcb883b53940be4b98ec483f@google.com>
Commit-Queue: Takuto Ikuta <71927f930fca81015e0f496c65cd126ab1a692e3@chromium.org>
Auto-Submit: Takuto Ikuta <71927f930fca81015e0f496c65cd126ab1a692e3@chromium.org>

luci/recipes-py,luci/recipes-py