Update error code to plural form

bidoubiwa · bidoubiwa · commit d3bb55b1d1cf · 2022-11-13T23:16:14.000+01:00
diff --git a/src/errors.rs b/src/errors.rs
@@ -161,7 +161,7 @@ pub enum ErrorCode {
     InvalidTaskCanceledByFilter,
     InvalidTaskUidsFilter,
     InvalidTaskDateFilter,
-    MissingTaskFilter,
+    MissingTaskFilters,
 
     /// That's unexpected. Please open a GitHub issue after ensuring you are
     /// using the supported version of the Meilisearch server.
