Update to CsWinRT 1.5.0-prerelease#2016

Merged

j0shuams merged 2 commits intomicrosoft:mainfrom

j0shuams:jlarkin/cswinrt-150

Jan 28, 2022

Commits on Jan 25, 2022

Update
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Commits on Jan 27, 2022

Merge branch 'main' into jlarkin/cswinrt-150
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