Return DMAPI version in ServerInformation, version bumps across the board

build/Version.props

@@ -2,10 +2,10 @@
   <PropertyGroup>
     <!-- This is the authorative version list -->
     <!-- Integration tests will ensure they match across the board -->
-    <TgsCoreVersion>4.2.2</TgsCoreVersion>
-    <TgsApiVersion>6.3.0</TgsApiVersion>
-    <TgsClientVersion>6.2.0</TgsClientVersion>
-    <TgsDmapiVersion>5.1.1</TgsDmapiVersion>
+    <TgsCoreVersion>4.2.3</TgsCoreVersion>
+    <TgsApiVersion>6.4.0</TgsApiVersion>
+    <TgsClientVersion>6.3.0</TgsClientVersion>
+    <TgsDmapiVersion>5.2.0</TgsDmapiVersion>
     <TgsControlPanelVersion>0.4.0</TgsControlPanelVersion>
     <TgsHostWatchdogVersion>1.1.0</TgsHostWatchdogVersion>
   </PropertyGroup>

src/Tgstation.Server.Api/Models/ServerInformation.cs

@@ -16,5 +16,10 @@ namespace Tgstation.Server.Api.Models
 		/// The <see cref="Api"/> version of the host
 		/// </summary>
 		public Version ApiVersion { get; set; }
+
+		/// <summary>
+		/// The DMAPI version of the host.
+		/// </summary>
+		public Version DMApiVersion { get; set; }
 	}
 }

src/Tgstation.Server.Host/Controllers/HomeController.cs

@@ -12,6 +12,7 @@ using System.Net.Mime;
 using System.Threading;
 using System.Threading.Tasks;
 using Tgstation.Server.Api;
+using Tgstation.Server.Host.Components.Interop;
 using Tgstation.Server.Host.Configuration;
 using Tgstation.Server.Host.Core;
 using Tgstation.Server.Host.Database;
@@ -124,6 +125,7 @@ namespace Tgstation.Server.Host.Controllers
 				{
 					Version = assemblyInformationProvider.Version,
 					ApiVersion = ApiHeaders.Version,
+					DMApiVersion = DMApiConstants.Version,
 					MinimumPasswordLength = generalConfiguration.MinimumPasswordLength,
 					InstanceLimit = generalConfiguration.InstanceLimit,
 					UserLimit = generalConfiguration.UserLimit,