Correct version specification in Swagger spec [APIDeploy]

build/Version.props

@@ -3,7 +3,7 @@
     <!-- This is the authorative version list -->
     <!-- Integration tests will ensure they match across the board -->
     <TgsCoreVersion>4.1.0</TgsCoreVersion>
-    <TgsApiVersion>5.0.0</TgsApiVersion>
+    <TgsApiVersion>5.0.1</TgsApiVersion>
     <TgsClientVersion>5.0.0</TgsClientVersion>
     <TgsDmapiVersion>5.0.0</TgsDmapiVersion>
     <TgsControlPanelVersion>0.1.6</TgsControlPanelVersion>

src/Tgstation.Server.Host/Core/SwaggerConfiguration.cs

@@ -11,6 +11,7 @@ using Tgstation.Server.Api;
 using Tgstation.Server.Api.Models;
 using Tgstation.Server.Api.Rights;
 using Tgstation.Server.Host.Controllers;
+using Tgstation.Server.Host.Extensions;
 
 namespace Tgstation.Server.Host.Core
 {
@@ -121,7 +122,7 @@ namespace Tgstation.Server.Host.Core
 				new OpenApiInfo
 				{
 					Title = "TGS API",
-					Version = "v4"
+					Version = ApiHeaders.Version.Semver()
 				});
 
 			// Important to do this before applying our own filters

src/Tgstation.Server.Host/Extensions/VersionExtensions.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace Tgstation.Server.Host.Extensions
+{
+	/// <summary>
+	/// Extensions for the <see cref="Version"/> <see langword="class"/>.
+	/// </summary>
+	static class VersionExtensions
+	{
+		/// <summary>
+		/// Converts a given <paramref name="version"/> into a semver <see cref="string"/>.
+		/// </summary>
+		/// <param name="version">The <see cref="Version"/> to convert.</param>
+		/// <returns>A semver <see cref="string"/> base on <paramref name="version"/>.</returns>
+		public static string Semver(this Version version)
+		{
+			if (version == null)
+				throw new ArgumentNullException(nameof(version));
+
+			return $"{version.Major}.{version.Minor}.{version.Build}";
+		}
+	}
+}