fix(rust): indentation in multi-line tuple pattern (#6402)

* fix(rust): indentation in multi-line tuple pattern

* test(indent): rust - add test for tuple pattern indent

queries/rust/indents.scm

@@ -8,6 +8,7 @@
   (tuple_struct_pattern)
   (tuple_expression)
   (tuple_type)
+  (tuple_pattern)
   (match_block)
   (call_expression)
   (assignment_expression)
@@ -88,6 +89,9 @@
 (tuple_type
   ")" @indent.end)
 
+(tuple_pattern
+  ")" @indent.end)
+
 (trait_item
   body: (declaration_list
     "}" @indent.end))

tests/indent/rust/tuple.rs

@@ -0,0 +1,8 @@
+fn foo() {
+    for (
+        a,
+        b
+    ) in c.iter() {
+        // ...
+    }
+}