feat(sql): update queries for newly added keywords

queries/sql/highlights.scm

@@ -75,6 +75,7 @@
  (keyword_safe)
  (keyword_cost)
  (keyword_strict)
+ (keyword_matched)
 ] @attribute
 
 [
@@ -112,6 +113,7 @@
   (keyword_delete)
   (keyword_create)
   (keyword_insert)
+  (keyword_merge)
   (keyword_distinct)
   (keyword_replace)
   (keyword_update)

queries/sql/indents.scm

@@ -5,6 +5,7 @@
  (case)
  (subquery)
  (insert)
+ (when_clause)
 ] @indent.begin
 
 (block