tree 8eaa7b52aacfc3636a17a055befb21505bee28a3
parent 0f1ad3249e670e16cd1b8c4f7c1ac1a0c5496ba6
author Matthew Wilson <mwilson@google.com> 1739222286 -0800
committer Matthew Wilson <mwilson@google.com> 1739223703 -0800

Roll tensorflow python package back to 2.18

Tensorflow 2.19 is introducing breaking changes with respect to IREE.
See https://github.com/iree-org/iree/issues/19777 for more info.

Tested:
https://louhi.dev/5958780716318720/execution-detail/6644989968121856
https://louhi.dev/5958780716318720/execution-detail/6733312850001920

Bypass-Presubmit-Reason: no presubmit, tested manually
BUG: 395688332
Change-Id: I0d605b7b9cef8d5882e33381ae2e38d5f0b625c8