adding 8.3 to build matrix

[brettmc]

No description provided.

[codecov]

Codecov Report

Merging #1189 (ac7338c) into main (d376566) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1189   +/-   ##
=========================================
  Coverage     84.29%   84.29%           
  Complexity     2196     2196           
=========================================
  Files           282      282           
  Lines          6245     6245           
=========================================
  Hits           5264     5264           
  Misses          981      981           

Flag	Coverage Δ
7.4	82.93% <ø> (ø)
8.0	84.22% <ø> (ø)
8.1	84.35% <ø> (ø)
8.2	84.35% <ø> (ø)
8.3	84.35% <ø> (ø)

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