Bump the nservicebuscore group in /src with 2 updates (#4950)

Bumps the nservicebuscore group in /src with 2 updates: [NServiceBus.AcceptanceTesting](https://github.com/Particular/NServiceBus) and [NUnit](https://github.com/nunit/nunit).


Updates `NServiceBus.AcceptanceTesting` from 9.2.6 to 9.2.7
- [Release notes](https://github.com/Particular/NServiceBus/releases)
- [Commits](Particular/NServiceBus@9.2.6...9.2.7)

Updates `NUnit` from 4.3.2 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@4.3.2...4.2.2)

---
updated-dependencies:
- dependency-name: NServiceBus.AcceptanceTesting
  dependency-version: 9.2.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: nservicebuscore
- dependency-name: NUnit
  dependency-version: 4.2.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nservicebuscore
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -30,7 +30,7 @@
     <PackageVersion Include="Mindscape.Raygun4Net.NetCore" Version="11.2.1" />
     <PackageVersion Include="NLog.Extensions.Logging" Version="5.4.0" />
     <PackageVersion Include="NServiceBus" Version="9.2.7" />
-    <PackageVersion Include="NServiceBus.AcceptanceTesting" Version="9.2.6" />
+    <PackageVersion Include="NServiceBus.AcceptanceTesting" Version="9.2.7" />
     <PackageVersion Include="NServiceBus.AmazonSQS" Version="7.3.0" />
     <PackageVersion Include="NServiceBus.CustomChecks" Version="5.0.1" />
     <PackageVersion Include="NServiceBus.Extensions.Hosting" Version="3.0.1" />