Bump NServiceBus.Transport.AzureServiceBus from 4.0.1 to 4.2.0 in /src (

#493)

Bumps [NServiceBus.Transport.AzureServiceBus](https://github.com/Particular/NServiceBus.Transport.AzureServiceBus) from 4.0.1 to 4.2.0.
- [Release notes](https://github.com/Particular/NServiceBus.Transport.AzureServiceBus/releases)
- [Commits](Particular/NServiceBus.Transport.AzureServiceBus@4.0.1...4.2.0)

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

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src/AcceptanceTests.ASB/AcceptanceTests.ASB.csproj

@@ -9,7 +9,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="NServiceBus.Transport.AzureServiceBus" Version="4.0.1" />
+    <PackageReference Include="NServiceBus.Transport.AzureServiceBus" Version="4.2.0" />
   </ItemGroup>
 
   <ItemGroup>