chore(deps): bump the all group with 2 updates

Bumps the all group with 2 updates: [Verify.MSTest](https://github.com/VerifyTests/Verify) and [Verify.SourceGenerators](https://github.com/VerifyTests/Verify.SourceGenerators).


Updates `Verify.MSTest` from 26.2.0 to 26.3.1
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@26.2.0...26.3.1)

Updates `Verify.SourceGenerators` from 2.3.0 to 2.4.0
- [Release notes](https://github.com/VerifyTests/Verify.SourceGenerators/releases)
- [Commits](VerifyTests/Verify.SourceGenerators@2.3.0...2.4.0)

---
updated-dependencies:
- dependency-name: Verify.MSTest
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
- dependency-name: Verify.SourceGenerators
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
...

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

src/Directory.Packages.props

@@ -20,8 +20,8 @@
     <PackageVersion Include="Avalonia" Version="11.1.3" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.MSTest" Version="1.1.2" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
-    <PackageVersion Include="Verify.MSTest" Version="26.2.0" />
-    <PackageVersion Include="Verify.SourceGenerators" Version="2.3.0" />
+    <PackageVersion Include="Verify.MSTest" Version="26.3.1" />
+    <PackageVersion Include="Verify.SourceGenerators" Version="2.4.0" />
     <PackageVersion Include="H.Generators.Tests.Extensions" Version="1.22.0" />
   </ItemGroup>
 </Project>