fix: updated ftp directory for FES2022 ocean tide model

[tsutterley]

fix: update JSON databases for new FES2022 directory
docs: update FES2022 directory in getting started

[codecov]

Codecov Report

Attention: Patch coverage is 89.47368% with 2 lines in your changes missing coverage. Please review.

Project coverage is 70.10%. Comparing base (a98e78b) to head (6c79def).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
test/test_solid_earth.py	89.47%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #376      +/-   ##
==========================================
- Coverage   70.15%   70.10%   -0.05%     
==========================================
  Files          42       42              
  Lines       10660    10678      +18     
  Branches     1152     1153       +1     
==========================================
+ Hits         7478     7486       +8     
- Misses       2719     2730      +11     
+ Partials      463      462       -1     

Flag	Coverage Δ
unittests	70.10% <89.47%> (-0.05%)	⬇️

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