deprecate some positional arguments

[mathause]

• Closes make arguments kw-only for some functions #46
• Tests added
• Passes isort . && black . && flake8
• Fully documented, including CHANGELOG.md

[codecov-commenter]

Codecov Report

Base: 94.02% // Head: 94.68% // Increases project coverage by +0.65% 🎉

Coverage data is based on head (86c4bf0) compared to base (e4ee966).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #54      +/-   ##
==========================================
+ Coverage   94.02%   94.68%   +0.65%     
==========================================
  Files           6        7       +1     
  Lines         335      376      +41     
==========================================
+ Hits          315      356      +41     
  Misses         20       20              

Flag	Coverage Δ
min-all-deps	94.66% <100.00%> (+0.63%)	⬆️
unittests	94.68% <100.00%> (+0.65%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mplotutils/_colorbar.py	100.00% <100.00%> (ø)
mplotutils/_deprecate.py	100.00% <100.00%> (ø)
mplotutils/cartopy_utils.py	85.96% <100.00%> (+0.64%)	⬆️
mplotutils/map_layout.py	100.00% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.