Update FlowSynx.PluginCore to version 1.4.0

Updated the `FlowSynx.PluginCore` package reference in the
`FlowSynx.Plugins.Csv.csproj` file from version 1.3.5 to 1.4.0.
This update likely includes new features, bug fixes, or other
improvements provided in the newer version.

#19

Author: ziagham

src/FlowSynx.Plugins.Csv.csproj

@@ -13,7 +13,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="CsvHelper" Version="33.1.0" />
-		<PackageReference Include="FlowSynx.PluginCore" Version="1.3.5" />
+		<PackageReference Include="FlowSynx.PluginCore" Version="1.4.0" />
 	</ItemGroup>
 
 	<ItemGroup>