Consider module as function call for highlighting

Their semantic is closer to a function call (like i.e: Bazel rules)
rather than a module/namespace.

Similarly for their properties, which are more like parameters than
members.

queries/highlights.scm

@@ -42,11 +42,11 @@
 (identifier) @variable
 
 (module
-  type: (identifier) @module)
+  type: (identifier) @function.call)
 
 (module
   (property
-    field: (identifier) @variable.member))
+    field: (identifier) @variable.parameter))
 ; }}}
 
 ; Built-ins {{{