Update dependency Npgsql to v4.1.12 (#211)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/SmartSql.Bulk.PostgreSql/SmartSql.Bulk.PostgreSql.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Npgsql" Version="4.1.10" />
+    <PackageReference Include="Npgsql" Version="4.1.12" />
   </ItemGroup>
 
   <ItemGroup>

src/SmartSql.DataConnector/SmartSql.DataConnector.csproj

@@ -23,7 +23,7 @@
       <PackageReference Include="Microsoft.Extensions.Hosting" Version="2.2.0" />
       <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="2.2.0" />
       <PackageReference Include="MySql.Data" Version="8.0.30" />
-      <PackageReference Include="Npgsql" Version="4.1.10" />
+      <PackageReference Include="Npgsql" Version="4.1.12" />
       <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.19.140" />
       <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0-dev-00019" />
       <PackageReference Include="Serilog.Settings.Configuration" Version="3.3.0" />

src/SmartSql.TypeHandler.PostgreSql/SmartSql.TypeHandler.PostgreSql.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Npgsql" Version="4.1.10" />
+    <PackageReference Include="Npgsql" Version="4.1.12" />
   </ItemGroup>
 
   <ItemGroup>