Bump to version 3.19.0

Author: sdanyliv

Build/linq2db.Default.props

@@ -1,6 +1,6 @@
 <Project>
 	<PropertyGroup>
-		<Version>3.18.0</Version>
+		<Version>3.19.0</Version>
 
 		<Authors>Svyatoslav Danyliv, Igor Tkachev, Dmitry Lukashenko, Ilya Chudin</Authors>
 		<Product>Linq to DB</Product>

Directory.Packages.props

@@ -5,8 +5,8 @@
 		<PackageVersion Include="NUnit" Version="3.13.3" />
 		<PackageVersion Include="FluentAssertions" Version="6.6.0" />
 
-		<PackageVersion Include="linq2db" Version="4.0.0-rc.2" />
-		<PackageVersion Include="linq2db.Tools" Version="4.0.0-rc.2" />
+		<PackageVersion Include="linq2db" Version="4.0.0" />
+		<PackageVersion Include="linq2db.Tools" Version="4.0.0" />
 
 		<PackageVersion Include="Microsoft.SourceLink.GitHub" Version="1.1.1" />
 		<PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" />

azure-pipelines.yml

@@ -1,8 +1,8 @@
 variables:
   solution: 'linq2db.EFCore.sln'
   build_configuration: 'Release'
-  assemblyVersion: 3.18.0
-  nugetVersion: 3.18.0
+  assemblyVersion: 3.19.0
+  nugetVersion: 3.19.0
   artifact_nugets: 'nugets'
 
 # build on commits to important branches (master + release branches):