update(mf6): update for latest version of MODFLOW 6 (6.2.2)

[jdhughes-usgs]

No description provided.

[codecov]

Codecov Report

Merging #94 (e7466ec) into master (a2d1ac5) will decrease coverage by 12.86%.
The diff coverage is 85.00%.

❗ Current head e7466ec differs from pull request most recent head 381f746. Consider uploading reports for the commit 381f746 to get more accurate results

@@             Coverage Diff             @@
##           master      #94       +/-   ##
===========================================
- Coverage   66.00%   53.13%   -12.87%     
===========================================
  Files          16       15        -1     
  Lines        4071     4063        -8     
===========================================
- Hits         2687     2159      -528     
- Misses       1384     1904      +520     

Impacted Files	Coverage Δ
pymake/pymake.py	73.88% <ø> (-0.96%)	⬇️
pymake/pymake_base.py	66.35% <84.21%> (-20.88%)	⬇️
pymake/utils/_usgs_src_update.py	80.58% <100.00%> (-10.12%)	⬇️
pymake/plot/dependency_graphs.py	11.62% <0.00%> (-52.33%)	⬇️
pymake/utils/usgsprograms.py	36.89% <0.00%> (-46.61%)	⬇️
pymake/utils/download.py	40.92% <0.00%> (-27.38%)	⬇️
pymake/utils/_compiler_language_files.py	75.00% <0.00%> (-20.84%)	⬇️
pymake/utils/_compiler_switches.py	66.36% <0.00%> (-14.58%)	⬇️
... and 4 more

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