Update version info

Author: adelikat

src/BizHawk.Common/VersionInfo.cs

@@ -11,9 +11,9 @@ public static partial class VersionInfo
 		/// Bump this immediately after release.
 		/// Only use '0'..'9' and '.' or it will fail to parse and the new version notification won't work.
 		/// </remarks>
-		public static readonly string MainVersion = "2.6.0";
+		public static readonly string MainVersion = "2.6.1";
 
-		public static readonly string ReleaseDate = "January 17, 2021";
+		public static readonly string ReleaseDate = "February 21, 2021";
 
 		public static readonly string HomePage = "http://tasvideos.org/BizHawk.html";