[ansible] Fix Python interpreter discovery on macOS 12.3 targets.
[ansible] Fix Python interpreter discovery on macOS 12.3 targets.

Bug: b/233103849
Change-Id: Ie6c25eaf361074bb5dbf766a050261549204769d
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/542121
Reviewed-by: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>
Commit-Queue: Erik Rose <042ad22d8352d59a3d816dac710aebe65456f16e@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot