Python: Component-governance extraction from setup.py does not include setup.cfg/pyproject.toml if executed from different dir.

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The python code used to extract dependencies from setup.py would normally respect dependencies declared in more modern ways using setup.cfg/pyproject.toml but only if executed from the same directory.

E.g. changing the bundled code:

```
import distutils.core; setup=distutils.core.run_setup('{filePath.Replace('\\', '/')}'); print(setup.install_requires)
```

to something like (pseudocode)

```
import os; os.chdir(pathtofolderwithsetuppy); import distutils.core; setup=distutils.core.run_setup('{filePath.Replace('\\', '/')}'); print(setup.install_requires)
```
would also ensure that dependencies declared in setup.cfg/pyproject.toml (pep 621) would be included.

Locate the bundled Python dependency-extraction code that calls distutils.core.run_setup on setup.py. Reproduce it with setup.cfg or pyproject.toml dependencies while running from a different directory, then verify that the extracted dependencies match those found when run beside setup.py.

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