chore(deps): update actions/setup-python action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-python	action	major	v3.1.2 -> v4.0.0

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Release Notes

actions/setup-python

v4.0.0

Compare Source

What's Changed

• Support for python-version-file input: #​336

Example of usage:

- uses: actions/setup-python@v4
  with:
    python-version-file: '.python-version' # Read python version from a file
- run: python my_script.py

There is no default python version for this setup-python major version, the action requires to specify either python-version input or python-version-file input. If the python-version input is not specified the action will try to read required version from file from python-version-file input.

• Use pypyX.Y for PyPy python-version input: #​349

Example of usage:

- uses: actions/setup-python@v4
  with:
    python-version: 'pypy3.9' # pypy-X.Y kept for backward compatibility
- run: python my_script.py

• RUNNER_TOOL_CACHE environment variable is equal AGENT_TOOLSDIRECTORY: #​338

• Bugfix: create missing pypyX.Y symlinks: #​347

• PKG_CONFIG_PATH environment variable: #​400

• Added python-path output: #​405
  python-path output contains Python executable path.

• Updated zeit/ncc to vercel/ncc package: #​393

• Bugfix: fixed output for prerelease version of poetry: #​409

• Made pythonLocation environment variable consistent for Python and PyPy: #​418

• Bugfix for 3.x-dev syntax: #​417

• Other improvements: #​318 #​396 #​384 #​387 #​388

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