[MINOR] Add dry run to pypi upload script

[j143]

Usage:

For publish to test.pypi.org

./dev/release/pypi-upload.sh -n

Publish to pypi.org

./dev/release/pypi-upload.sh

🌩 Includes a logic for updating version name to 2.2.0 instead of 2.2.0-rc1 for the approved candidate.

[phaniarnab]

The dry run for pypi upload is to upload to testpypi. Is this change enabling that?
For python package however some amount of manual testing is needed to make sure if the package is installable via pip and working.

[j143]

The dry run for pypi upload is to upload to testpypi. Is this change enabling that?

Yes, it does.

For python package however some amount of manual testing is needed to make sure if the package is installable via pip and working.

Sure, I will try to add this one as a check.