fix: latest TMD3 current variable names for #370

[tsutterley]

feat: add tidal aliasing period function
fix: add latitude and longitude as potential dimension names

[codecov]

Codecov Report

Attention: Patch coverage is 90.90909% with 4 lines in your changes missing coverage. Please review.

Project coverage is 70.18%. Comparing base (e1eccc0) to head (ff4e44b).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
pyTMD/io/OTIS.py	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #371      +/-   ##
==========================================
- Coverage   71.07%   70.18%   -0.90%     
==========================================
  Files          43       43              
  Lines       10522    10673     +151     
  Branches     1138     1152      +14     
==========================================
+ Hits         7479     7491      +12     
- Misses       2580     2719     +139     
  Partials      463      463              

Flag	Coverage Δ
unittests	70.18% <90.90%> (-0.90%)	⬇️

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