Bump NServiceBus in /src in the nservicebuscore group

Bumps the nservicebuscore group in /src with 1 update: [NServiceBus](https://github.com/Particular/NServiceBus).


Updates `NServiceBus` from 9.2.5 to 9.2.6
- [Release notes](https://github.com/Particular/NServiceBus/releases)
- [Commits](Particular/NServiceBus@9.2.5...9.2.6)

---
updated-dependencies:
- dependency-name: NServiceBus
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: nservicebuscore
...

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

Author: dependabot[bot]

src/Transport/NServiceBus.Transport.AzureServiceBus.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
@@ -12,7 +12,7 @@
   <ItemGroup>
     <PackageReference Include="Azure.Messaging.ServiceBus" Version="7.18.3" />
     <PackageReference Include="BitFaster.Caching" Version="2.5.3" />
-    <PackageReference Include="NServiceBus" Version="9.2.5" />
+    <PackageReference Include="NServiceBus" Version="9.2.6" />
   </ItemGroup>
 
   <ItemGroup>