GHA: update release action for pyproject

[martinfleis]

Closes #215

[codecov[bot]]

Codecov Report

Merging #216 (86ce076) into main (b3643f7) will decrease coverage by 9.72%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #216      +/-   ##
==========================================
- Coverage   81.13%   71.41%   -9.72%     
==========================================
  Files         116       67      -49     
  Lines        3397     2631     -766     
==========================================
- Hits         2756     1879     -877     
- Misses        641      752     +111     

see 58 files with indirect coverage changes

[knaaptime]

sweet, thanks martin

[knaaptime]

i already botched the last one without testing, so ill just bump a bugfix point 🙃