housekeeping: Update to the latest master.

[glennawatson]

Update and rebase.

[codecov]

Codecov Report

Merging #1907 into preview/10.0.0 will increase coverage by 0.37%.
The diff coverage is 46.15%.

@@                Coverage Diff                 @@
##           preview/10.0.0    #1907      +/-   ##
==================================================
+ Coverage           63.26%   63.63%   +0.37%     
==================================================
  Files                 101      101              
  Lines                3604     3589      -15     
  Branches              440      439       -1     
==================================================
+ Hits                 2280     2284       +4     
+ Misses               1198     1179      -19     
  Partials              126      126

Impacted Files	Coverage Δ
src/ReactiveUI.Wpf/TransitioningContentControl.cs	9.32% <0%> (+0.45%)	⬆️
...orms/windows-common/AutoDataTemplateBindingHook.cs	83.33% <100%> (ø)	⬆️
src/ReactiveUI/View/DefaultViewLocator.cs	96.77% <100%> (-0.06%)	⬇️
...atforms/windows-common/ActivationForViewFetcher.cs	85% <100%> (+5%)	⬆️
...veUI/Platforms/windows-common/ViewModelViewHost.cs	10.16% <22.72%> (+1.83%)	⬆️

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