temporarily use google-cloud-aiplatform 1.11.0 and bump version
temporarily use google-cloud-aiplatform 1.11.0 and bump version

This allows us to release XManager 0.1.5 to PyPi
This release will not contain the fix to google-cloud-aiplatform which fixes logged_web_access_uris
https://github.com/googleapis/python-aiplatform/commit/198a1b5753f509c9137a8d9e9b56d68e6e386563

PiperOrigin-RevId: 434741510
Change-Id: Ie3f9fa34d9bf0a2837795504038feebf6a697aa6
GitOrigin-RevId: 873e6d88304131789720ba9c1db6c3bcac3bb16a

deepmind/xmanager,deepmind/xmanager