chore: bump version to 2.1.7

[tsutterley]

• chore: bump version to 2.1.7
• Update environment.yml

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.98%. Comparing base (d97482b) to head (470b182).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #350      +/-   ##
==========================================
+ Coverage   71.59%   71.98%   +0.39%     
==========================================
  Files          39       41       +2     
  Lines       10495    10764     +269     
  Branches     1407     1119     -288     
==========================================
+ Hits         7514     7749     +235     
- Misses       2517     2554      +37     
+ Partials      464      461       -3     

Flag	Coverage Δ
unittests	71.98% <ø> (+0.39%)	⬆️

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