chore(deps): bump the all group with 4 updates

Bumps the all group with 4 updates: [Avalonia](https://github.com/AvaloniaUI/Avalonia), [FluentAssertions](https://github.com/fluentassertions/fluentassertions), [MSTest.TestFramework](https://github.com/microsoft/testfx) and [Verify.MSTest](https://github.com/VerifyTests/Verify).


Updates `Avalonia` from 11.2.1 to 11.2.2
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@11.2.1...11.2.2)

Updates `FluentAssertions` from 6.12.2 to 7.0.0
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/develop/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@6.12.2...7.0.0)

Updates `MSTest.TestFramework` from 3.6.3 to 3.6.3
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.6.3...v3.6.3)

Updates `Verify.MSTest` from 28.3.2 to 28.4.0
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@28.3.2...28.4.0)

---
updated-dependencies:
- dependency-name: Avalonia
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all
- dependency-name: FluentAssertions
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
- dependency-name: MSTest.TestFramework
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all
- dependency-name: Verify.MSTest
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
...

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

src/Directory.Packages.props

@@ -16,11 +16,11 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="MSTest.TestAdapter" Version="3.6.3" />
     <PackageVersion Include="MSTest.TestFramework" Version="3.6.3" />
-    <PackageVersion Include="FluentAssertions" Version="6.12.2" />
-    <PackageVersion Include="Avalonia" Version="11.2.1" />
+    <PackageVersion Include="FluentAssertions" Version="7.0.0" />
+    <PackageVersion Include="Avalonia" Version="11.2.2" />
     <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="28.3.2" />
+    <PackageVersion Include="Verify.MSTest" Version="28.4.0" />
     <PackageVersion Include="Verify.SourceGenerators" Version="2.5.0" />
     <PackageVersion Include="H.Generators.Tests.Extensions" Version="1.24.0" />
   </ItemGroup>