build wheels for ppc64le and s390x

[messense]

Closes #44

[codecov]

Codecov Report

Merging #55 (c010498) into main (0990666) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #55   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           29        29           
  Branches         5         5           
=========================================
  Hits            29        29           

[messense]

Test runs:

• ppc64le: https://github.com/samuelcolvin/rtoml/actions/runs/3455117590/jobs/5766900045
• s390x: https://github.com/samuelcolvin/rtoml/actions/runs/3455117590/jobs/5766900069

[samuelcolvin]

I've added the label to prompt building binaries, can you push again?

[samuelcolvin]

Also, would you like me to make you a collaborator on this and watchfiles to speed things up?

[samuelcolvin]

Thanks so much for fixing this btw.

[messense]

Also, would you like me to make you a collaborator on this and watchfiles to speed things up?

ok.

[samuelcolvin]

Invited, thanks so much for this.