build(deps): Bump Verify.Nunit from 23.5.0 to 23.5.1 (#376)

Author: dependabot[bot]

Directory.Packages.props

@@ -25,7 +25,7 @@
     <PackageVersion Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.0.1" />
     <PackageVersion Include="Verify.MSTest" Version="23.5.1" />
-    <PackageVersion Include="Verify.NUnit" Version="23.5.0" />
+    <PackageVersion Include="Verify.NUnit" Version="23.5.1" />
     <PackageVersion Include="Verify.Xunit" Version="23.5.1" />
     <PackageVersion Include="xunit" Version="2.7.0" />
     <PackageVersion Include="xunit.extensibility.core" Version="2.7.0" />