lib: rename internal module declaration as internal bindings

This is a follow-up to nodejs#45551 .

Renaming NODE_MODULE_CONTEXT_AWARE_INTERNAL
to NODE_BINDING_CONTEXT_AWARE_INTERNAL.
As these bindings are already loaded with the function internalBinding
in the JS land, the term "internal binding" can be straightforward to
be adopted.

lib/internal/bootstrap/loaders.js

@@ -20,7 +20,7 @@
 //   NM_F_LINKED.
 // - internalBinding(): the private internal C++ binding loader, inaccessible
 //   from user land unless through `require('internal/test/binding')`.
-//   These C++ bindings are created using NODE_MODULE_CONTEXT_AWARE_INTERNAL()
+//   These C++ bindings are created using NODE_BINDING_CONTEXT_AWARE_INTERNAL()
 //   and have their nm_flags set to NM_F_INTERNAL.
 //
 // Internal JavaScript module loader: