Merge pull request #140 from notion-dotnet/bfix/137-rename-file-property-to-files

Rename `file` property to `files` 🚚

Author: KoditkarVedant

Src/Notion.Client/Api/Databases/RequestParams/DatabasesUpdateParameters/PropertySchema/FilesUpdatePropertySchema.cs

@@ -5,7 +5,7 @@ namespace Notion.Client
 {
     public class FilesUpdatePropertySchema : UpdatePropertySchema, IUpdatePropertySchema
     {
-        [JsonProperty("file")]
-        public Dictionary<string, object> File { get; set; }
+        [JsonProperty("files")]
+        public Dictionary<string, object> Files { get; set; }
     }
 }

Src/Notion.Client/Models/Database/Properties/FilesProperty.cs

@@ -5,6 +5,6 @@ namespace Notion.Client
     public class FilesProperty : Property
     {
         public override PropertyType Type => PropertyType.Files;
-        public Dictionary<string, object> File { get; set; }
+        public Dictionary<string, object> Files { get; set; }
     }
 }