chore(deps): bump the verify group with 5 updates

Bumps the verify group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [Verify.Xunit](https://github.com/VerifyTests/Verify) | `28.2.1` | `28.3.1` |
| [MSTest.TestFramework](https://github.com/microsoft/testfx) | `3.6.3` | `3.6.3` |
| [Verify.MSTest](https://github.com/VerifyTests/Verify) | `28.2.1` | `28.3.1` |
| [NUnit](https://github.com/nunit/nunit) | `4.2.2` | `4.2.2` |
| [Verify.Nunit](https://github.com/VerifyTests/Verify) | `28.2.1` | `28.3.1` |


Updates `Verify.Xunit` from 28.2.1 to 28.3.1
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@28.2.1...28.3.1)

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](https://github.com/microsoft/testfx/commits)

Updates `Verify.MSTest` from 28.2.1 to 28.3.1
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@28.2.1...28.3.1)

Updates `NUnit` from 4.2.2 to 4.2.2
- [Release notes](https://github.com/nunit/nunit/releases)
- [Changelog](https://github.com/nunit/nunit/blob/main/CHANGES.md)
- [Commits](nunit/nunit@4.2.2...4.2.2)

Updates `Verify.Nunit` from 28.2.1 to 28.3.1
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@28.2.1...28.3.1)

---
updated-dependencies:
- dependency-name: Verify.Xunit
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: verify
- dependency-name: MSTest.TestFramework
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: verify
- dependency-name: Verify.MSTest
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: verify
- dependency-name: NUnit
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: verify
- dependency-name: Verify.Nunit
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: verify
...

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

Directory.Packages.props

@@ -23,9 +23,9 @@
     <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.4.0" />
     <PackageVersion Include="PublicApiGenerator" Version="11.1.0" />
-    <PackageVersion Include="Verify.MSTest" Version="28.2.1" />
-    <PackageVersion Include="Verify.NUnit" Version="28.2.1" />
-    <PackageVersion Include="Verify.Xunit" Version="28.2.1" />
+    <PackageVersion Include="Verify.MSTest" Version="28.3.1" />
+    <PackageVersion Include="Verify.NUnit" Version="28.3.1" />
+    <PackageVersion Include="Verify.Xunit" Version="28.3.1" />
     <PackageVersion Include="Verify.XunitV3" Version="28.1.3" />
     <PackageVersion Include="xunit" Version="2.9.2" />
     <PackageVersion Include="xunit.extensibility.core" Version="2.9.2" />