Env update

[Mikejmnez]

Closes #332 ,
Also pins netcdf4 instead of a library that it opens (The issue is with libnetcdf, but it is cleaner to pin netcdf4),

[codecov]

Codecov Report

Merging #335 (24ed7b9) into main (a0669cc) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #335   +/-   ##
=======================================
  Coverage   94.62%   94.62%           
=======================================
  Files           9        9           
  Lines        3944     3944           
  Branches      859      859           
=======================================
  Hits         3732     3732           
  Misses        135      135           
  Partials       77       77           

Flag	Coverage Δ
unittests	94.62% <100.00%> (ø)

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

Impacted Files	Coverage Δ
oceanspy/llc_rearrange.py	82.67% <100.00%> (ø)
oceanspy/utils.py	86.86% <100.00%> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more