Update actions versions in tests.yaml

[jGaboardi]

See pysal/libpysal#461.

[codecov]

Codecov Report

Merging #345 (af261ad) into main (a6e3420) will decrease coverage by 0.17%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #345      +/-   ##
==========================================
- Coverage   95.90%   95.73%   -0.18%     
==========================================
  Files          13       13              
  Lines        2835     2835              
==========================================
- Hits         2719     2714       -5     
- Misses        116      121       +5     

Impacted Files	Coverage Δ
momepy/elements.py	95.19% <0.00%> (-1.61%)	⬇️

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