⬆ Bump the verify group across 1 directory with 2 updates

Bumps the verify group with 2 updates in the / directory: [Verify.SourceGenerators](https://github.com/VerifyTests/Verify.SourceGenerators) and [Verify.Xunit](https://github.com/VerifyTests/Verify).


Updates `Verify.SourceGenerators` from 2.1.0 to 2.4.0
- [Release notes](https://github.com/VerifyTests/Verify.SourceGenerators/releases)
- [Commits](https://github.com/VerifyTests/Verify.SourceGenerators/commits/2.4.0)

Updates `Verify.Xunit` from 20.8.2 to 26.4.4
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@20.8.2...26.4.4)

---
updated-dependencies:
- dependency-name: Verify.SourceGenerators
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: verify
- dependency-name: Verify.Xunit
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: verify
...

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

Bearded.FluentSourceGen.Tests/Bearded.FluentSourceGen.Tests.csproj

@@ -10,8 +10,8 @@
     <ItemGroup>
         <PackageReference Include="FluentAssertions" Version="6.12.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-        <PackageReference Include="Verify.SourceGenerators" Version="2.1.0" />
-        <PackageReference Include="Verify.Xunit" Version="20.8.2" />
+        <PackageReference Include="Verify.SourceGenerators" Version="2.4.0" />
+        <PackageReference Include="Verify.Xunit" Version="26.4.4" />
         <PackageReference Include="xunit" Version="2.9.0" />
         <PackageReference Include="xunit.runner.console" Version="2.9.0">
           <PrivateAssets>all</PrivateAssets>