Deprecate cloud_tpu_diagnostics support and update requirements lockfile

[SurbhiJainUSC]

Description

Deprecate collect_stack_trace feature from MaxText and remove cloud_tpu_diagnostics from dependencies

Tests

CI tests

Checklist

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• I have made or will make corresponding changes to the doc if needed, including adding new documentation pages to the relevant Table of Contents (toctree directive) as explained in our documentation.

[codecov]

Codecov Report

❌ Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/maxtext/trainers/pre_train/train.py	87.50%	1 Missing ⚠️

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