Update CHANGELOG.md

CHANGELOG.md

@@ -11,7 +11,7 @@
 - Bumped `Emet.FileSystems` from 0.0.4 to 0.0.5
 - Bumped `System.CommandLine` from 2.0.0-beta3.22114.1 to 2.0.0-beta4.22272.1
 - Bumped `System.CommandLine.Rendering` from 0.4.0-alpha.22114.1 to 0.4.0-alpha.22272.1
-- Bumped `System.IO.Abstractions` from 16.1.25 to 19.2.29
+- Bumped `System.IO.Abstractions` from 16.1.25 to 19.2.51
 - Switched from [actions/setup-dotnet](https://github.com/actions/setup-dotnet) to [xt0rted/setup-dotnet](https://github.com/xt0rted/setup-dotnet)
 - No longer built and tested on macOS 10.15 due to GitHub Actions [no longer supporting](https://github.com/actions/virtual-environments/issues/5583) that version