Bump System.IO.Abstractions.TestingHelpers from 22.0.15 to 22.0.16

---
updated-dependencies:
- dependency-name: System.IO.Abstractions.TestingHelpers
  dependency-version: 22.0.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -43,7 +43,7 @@
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.CommandLine.NamingConventionBinder" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.IO.Abstractions" Version="22.0.16" />
-    <PackageVersion Include="System.IO.Abstractions.TestingHelpers" Version="22.0.15" />
+    <PackageVersion Include="System.IO.Abstractions.TestingHelpers" Version="22.0.16" />
     <PackageVersion Include="System.Linq.Async" Version="6.0.3" />
     <PackageVersion Include="System.Text.Encodings.Web" Version="9.0.9" />
     <PackageVersion Include="System.Text.Json" Version="9.0.9" />