Update dependency NServiceBus.Transport.PostgreSql to 9.1.0

Author: dependencyupdates[bot]

src/PostgreSqlTransportAcceptanceTests/PostgreSqlTransportAcceptanceTests.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="3.0.4" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageReference Include="NServiceBus.AcceptanceTests.Sources" Version="10.2.5" GeneratePathProperty="true" />
-    <PackageReference Include="NServiceBus.Transport.PostgreSql" Version="9.0.2" />
+    <PackageReference Include="NServiceBus.Transport.PostgreSql" Version="9.1.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
   </ItemGroup>