Bump Shouldly from 4.0.0-beta0004 to 4.0.0

Bumps [Shouldly](https://github.com/shouldly/shouldly) from 4.0.0-beta0004 to 4.0.0.
- [Release notes](https://github.com/shouldly/shouldly/releases)
- [Changelog](https://github.com/shouldly/shouldly/blob/master/BREAKING%20CHANGES.txt)
- [Commits](shouldly/shouldly@v4.0.0-beta0004...v4.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

src/Directory.Build.props

@@ -35,7 +35,7 @@
         <PackageVersion_GitToolsTesting>1.2.0</PackageVersion_GitToolsTesting>
         <PackageVersion_NUnit3TestAdapter>3.17.0</PackageVersion_NUnit3TestAdapter>
         <PackageVersion_NunitXmlTestLogger>2.1.80</PackageVersion_NunitXmlTestLogger>
-        <PackageVersion_Shouldly>4.0.0-beta0004</PackageVersion_Shouldly>
+        <PackageVersion_Shouldly>4.0.0</PackageVersion_Shouldly>
 
     </PropertyGroup>