Bump NServiceBus.Transport.PostgreSql from 8.1.6 to 8.1.7 in /src

Bumps [NServiceBus.Transport.PostgreSql](https://github.com/Particular/NServiceBus.SqlServer) from 8.1.6 to 8.1.7.
- [Release notes](https://github.com/Particular/NServiceBus.SqlServer/releases)
- [Commits](Particular/NServiceBus.SqlServer@8.1.6...8.1.7)

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

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

src/Directory.Packages.props

@@ -45,7 +45,7 @@
     <PackageVersion Include="NServiceBus.Transport.AzureStorageQueues" Version="13.0.1" />
     <PackageVersion Include="NServiceBus.Transport.Msmq.Sources" Version="3.0.2" />
     <PackageVersion Include="NServiceBus.Transport.SqlServer" Version="8.1.6" />
-    <PackageVersion Include="NServiceBus.Transport.PostgreSql" Version="8.1.6" />
+    <PackageVersion Include="NServiceBus.Transport.PostgreSql" Version="8.1.7" />
     <PackageVersion Include="NuGet.Versioning" Version="6.12.1" />
     <PackageVersion Include="NUnit" Version="4.2.2" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.6.0" />