Update NServiceBus.RavenDB to 6.2 and add Gateway.RavenDB 6 folder for .NET 10 (#7763)

Co-authored-by: GitHub Copilot <[email protected]>

Author: DharmishthaVPatel

Snippets/GatewayRavenDB/GatewayRavenDB_5/GatewayRavenDB_5.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NServiceBus.Gateway.RavenDB" Version="5.0.0-alpha.1" />
+    <PackageReference Include="NServiceBus.Gateway.RavenDB" Version="5.0.0" />
   </ItemGroup>
 </Project>