Update MaxSupportedMinClientVersion to 7.3.1.1 (#10780)

Author: jimmylewis

src/NuGetGallery/GalleryConstants.cs

@@ -24,7 +24,7 @@ public static class GalleryConstants
         public const int GravatarCacheDurationSeconds = 300;
 
         public const int MaxFileLengthBytes = 1024 * 1024; // 1MB for License, Icon, readme file
-        internal static readonly NuGetVersion MaxSupportedMinClientVersion = new NuGetVersion("7.0.1.1");
+        internal static readonly NuGetVersion MaxSupportedMinClientVersion = new NuGetVersion("7.3.1.1");
 
         public const string RecentSortOrder = "package-created";