fix(starlark): add tuple_pattern query

queries/starlark/rainbow-delimiters.scm

@@ -31,6 +31,10 @@
   "(" @delimiter
   ")" @delimiter @sentinel) @container
 
+(tuple_pattern
+  "(" @delimiter
+  ")" @delimiter @sentinel) @container
+
 (parameters
   "(" @delimiter
   ")" @delimiter @sentinel) @container

test/highlight/starlark/regular.star

@@ -14,6 +14,7 @@ my_list = [[['Hello, world!']]]
 my_dict = {'x': {'x': {'x': 'Hello, wold!'}}}
 my_set = {{{{'Hello, wold!'}}}}
 my_tuple = (((('Hello, wold!'),),),)
+(a,b) = (1,2)
 
 list_comp = [i for i in [j for j in range(5)] if i % 2 == 0]
 dict_comp = {k: v for k, v in {k: v for k, v in {'k': 'v'}.items()}