fix(highlights/ini): make consistency with toml (#13589)

runtime/queries/ini/highlights.scm

@@ -1,6 +1,15 @@
-(section_name) @namespace
+(section_name
-
+  (text) @type)
-(setting_name) @keyword
-(setting_value) @string
 
 (comment) @comment
+
+[
+  "["
+  "]"
+] @punctuation.bracket
+
+"=" @operator
+
+(setting
+  (setting_name) @variable.other.member
+  (setting_value) @string)