BUG: Fix Derived Projected CRS support

[snowman2]

• Closes Add PJ_TYPE_DERIVED_PROJECTED_CRS enum #1182
• Tests added
• Fully documented, including history.rst for all changes and api/*.rst for new API

[codecov]

Codecov Report

Merging #1222 (456243d) into main (e9b5a60) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1222   +/-   ##
=======================================
  Coverage   96.29%   96.29%           
=======================================
  Files          20       20           
  Lines        1806     1807    +1     
=======================================
+ Hits         1739     1740    +1     
  Misses         67       67           

Impacted Files	Coverage Δ
pyproj/enums.py	100.00% <100.00%> (ø)

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