Bump NServiceBus.Transport.AzureServiceBus from 4.2.0 to 4.2.1 in /src (#4464) (#4465)

Bumps [NServiceBus.Transport.AzureServiceBus](https://github.com/Particular/NServiceBus.Transport.AzureServiceBus) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/Particular/NServiceBus.Transport.AzureServiceBus/releases)
- [Commits](Particular/NServiceBus.Transport.AzureServiceBus@4.2.0...4.2.1)

---
updated-dependencies:
- dependency-name: NServiceBus.Transport.AzureServiceBus
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: DavidBoike

src/Directory.Packages.props

@@ -43,7 +43,7 @@
     <PackageVersion Include="NServiceBus.RabbitMQ" Version="9.1.1" />
     <PackageVersion Include="NServiceBus.SagaAudit" Version="5.0.0" />
     <PackageVersion Include="NServiceBus.Testing" Version="9.0.0" />
-    <PackageVersion Include="NServiceBus.Transport.AzureServiceBus" Version="4.2.0" />
+    <PackageVersion Include="NServiceBus.Transport.AzureServiceBus" Version="4.2.1" />
     <PackageVersion Include="NServiceBus.Transport.AzureStorageQueues" Version="13.0.0" />
     <PackageVersion Include="NServiceBus.Transport.Msmq.Sources" Version="3.0.1" />
     <PackageVersion Include="NServiceBus.Transport.SqlServer" Version="8.1.3" />