Bump Verify.Nunit from 27.0.0-beta.6 to 27.0.0 in /src

Bumps [Verify.Nunit](https://github.com/VerifyTests/Verify) from 27.0.0-beta.6 to 27.0.0.
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](https://github.com/VerifyTests/Verify/commits/27.0.0)

---
updated-dependencies:
- dependency-name: Verify.Nunit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -12,6 +12,6 @@
     <PackageVersion Include="SixLabors.ImageSharp" Version="3.1.5" />
     <PackageVersion Include="Verify" Version="27.0.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.1" />
-    <PackageVersion Include="Verify.Nunit" Version="27.0.0-beta.6" />
+    <PackageVersion Include="Verify.Nunit" Version="27.0.0" />
   </ItemGroup>
 </Project>