update gh-action-pypi-publish to latest

[originell]

hey. I just noticed that you were pinning the pypi publish action to a commit SHA that increased the python version. Their latest release seems to include that now :)

[codecov]

Codecov Report

Merging #321 (8db6e55) into master (3db74b4) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #321   +/-   ##
=======================================
  Coverage   93.11%   93.11%           
=======================================
  Files           9        9           
  Lines        1089     1089           
  Branches      158      158           
=======================================
  Hits         1014     1014           
  Misses         38       38           
  Partials       37       37           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3db74b4...8db6e55. Read the comment docs.

[mayeut]

Thanks.
It seems dependabot keep the SHA if one was provided earlier #245