DOC: update running the test suite documentation
- [x] closes #48060
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).
- [ ] Added [type annotations](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#type-hints) to new arguments/methods/functions.
- [ ] Added an entry in the latest `doc/source/whatsnew/vX.X.X.rst` file if fixing a bug or adding a new feature.

I updated the [Running the test suite](https://pandas.pydata.org/docs/dev/development/contributing_codebase.html#running-the-test-suite) documentation as discussed in [#48060 (comment)](https://github.com/pandas-dev/pandas/issues/48060#issuecomment-1321066179).
Thanks @marenwestermann 