feature: Add .net 6 support, help from @chrispulman

[glennawatson]

No description provided.

[codecov]

Codecov Report

Merging #756 (7e7dfc6) into main (78805d8) will increase coverage by 0.02%.
The diff coverage is n/a.

❗ Current head 7e7dfc6 differs from pull request most recent head 723fd59. Consider uploading reports for the commit 723fd59 to get more accurate results

@@            Coverage Diff             @@
##             main     #756      +/-   ##
==========================================
+ Coverage   74.70%   74.72%   +0.02%     
==========================================
  Files          99       99              
  Lines        4970     4970              
==========================================
+ Hits         3713     3714       +1     
+ Misses       1257     1256       -1     

Impacted Files	Coverage Δ
.../Splat.Raygun/RaygunFeatureUsageTrackingSession.cs	91.11% <ø> (ø)
src/Splat/TargetFrameworkExtensions.cs	92.10% <0.00%> (+2.63%)	⬆️

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[github-actions]

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