Have a min and max MSRV (1.61.0 - 1.63.0)

[Ogeon]

Have a split MSRV setup to allow optional dependencies to require a higher version than what the default feature set needs.

[codspeed-hq]

CodSpeed Performance Report

Merging #423 will not alter performance

_{Comparing msrv_split (50f24f6) with master (4a30161)}

Summary

✅ 47 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.78%. Comparing base (e37e2fe) to head (50f24f6).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #423      +/-   ##
==========================================
- Coverage   82.87%   82.78%   -0.09%     
==========================================
  Files         130      130              
  Lines       20199    20199              
  Branches    20199    20199              
==========================================
- Hits        16739    16721      -18     
- Misses       3337     3340       +3     
- Partials      123      138      +15     

Components	Coverage Δ
palette	82.84% <ø> (-0.10%)	⬇️
palette_derive	81.98% <ø> (ø)