Fixed: RSS sync paging back too far for some indexers

(cherry picked from commit 7fcee7173450fc24f7733ea907b0886c1aa7d735)

src/NzbDrone.Common/Serializer/System.Text.Json/STJUtcConverter.cs

@@ -8,7 +8,7 @@ namespace NzbDrone.Common.Serializer
     {
         public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
-            return DateTime.Parse(reader.GetString());
+            return DateTime.Parse(reader.GetString()).ToUniversalTime();
         }
 
         public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)