Publish inkex to pypi

What does the merge request do?

Start process of automatically publishing inkex to pypi

#588 (closed)

Implementation notes

Follows: https://docs.pypi.org/trusted-publishers/using-a-publisher/#gitlab-cicd

Still need to automate tag generation when an Inkscape Release is made.

Summary for release notes

Checklist

• Add unit tests (if applicable)
• Changes to inkex/ are well documented
• Clean merge request history