Upgrade to npgsql 4.0.4

Author: mythz

src/ServiceStack.OrmLite.PostgreSQL.Tests/ServiceStack.OrmLite.PostgreSQL.Tests.csproj

@@ -22,7 +22,7 @@
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="NUnit" Version="3.10.1" />
-    <PackageReference Include="Npgsql" Version="4.0.3" />
+    <PackageReference Include="Npgsql" Version="4.0.4" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net46' ">
     <Reference Include="System.Configuration" />

src/ServiceStack.OrmLite.PostgreSQL/ServiceStack.OrmLite.PostgreSQL.csproj

@@ -15,7 +15,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\ServiceStack.OrmLite\ServiceStack.OrmLite.csproj" />
-    <PackageReference Include="Npgsql" Version="4.0.3" />
+    <PackageReference Include="Npgsql" Version="4.0.4" />
     <PackageReference Include="ServiceStack.Common" Version="$(Version)" />
   </ItemGroup>