Bump NServiceBus.AcceptanceTesting from 8.0.3 to 8.1.1

Bumps NServiceBus.AcceptanceTesting from 8.0.3 to 8.1.1.

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/ServiceBus.AcceptanceTests/ServiceBus.AcceptanceTests.csproj

@@ -18,7 +18,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="NServiceBus.AcceptanceTesting" Version="8.0.3" />
+    <PackageReference Include="NServiceBus.AcceptanceTesting" Version="8.1.1" />
     <PackageReference Include="NServiceBus.Persistence.NonDurable" Version="1.0.0" />
     <PackageReference Include="NServiceBus.Transport.AzureServiceBus" Version="3.2.0" />
   </ItemGroup>