[torchx][ci] Pin pip-25.0.1 since pip-25.1 breaks editable installs of torchx[dev]

[kiukchung]

Solves python unittests failing with:

ERROR: Exception:
Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.9.22/x64/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper
    status = _inner_run()
  File "/opt/hostedtoolcache/Python/3.9.22/x64/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run
    return self.run(options, args)
  File "/opt/hostedtoolcache/Python/3.9.22/x64/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 68, in wrapper
    return func(self, options, args)
  File "/opt/hostedtoolcache/Python/3.9.22/x64/lib/python3.9/site-packages/pip/_internal/commands/install.py", line 421, in run
    reqs_to_build = [
  File "/opt/hostedtoolcache/Python/3.9.22/x64/lib/python3.9/site-packages/pip/_internal/commands/install.py", line 424, in <listcomp>
    if should_build_for_install_command(r)
  File "/opt/hostedtoolcache/Python/3.9.22/x64/lib/python3.9/site-packages/pip/_internal/wheel_builder.py", line 65, in should_build_for_install_command
    return _should_build(req)
  File "/opt/hostedtoolcache/Python/3.9.22/x64/lib/python3.9/site-packages/pip/_internal/wheel_builder.py", line 53, in _should_build
    assert req.source_dir
AssertionError

see: https://github.com/pytorch/torchx/actions/runs/14781211083/job/41500352685?pr=1057

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[kiukchung]

note: removed because this is actually pinned to google-api-core==2.18.0 in L47 below and running pip install -r dev-requirements.txt fails if the same package is listed twice in this file.