chore: update changes/ee/fix-11266.en.md

Co-authored-by: Thales Macedo Garitezi <thalesmg@gmail.com>

changes/ee/fix-11266.en.md

@@ -1,4 +1,4 @@
-Fix and improve supports for TDEngine `insert` syntax.
+Fix and improve support for TDEngine `insert` syntax.
 
 1. Support inserting into multi-table in the template