Change annotated_any() to quote_cpp_type_name()

Author: rwgk

include/pybind11/detail/type_caster_base.h

@@ -1201,8 +1201,8 @@ class type_caster_base : public type_caster_generic {
     static Constructor make_move_constructor(...) { return nullptr; }
 };
 
-inline std::string annotated_any(const std::string &cpp_type) {
-    return "Annotated[Any, pybind11.CppType(\"" + cpp_type + "\")]";
+inline std::string quote_cpp_type_name(const std::string &cpp_type_name) {
+    return "`" + cpp_type_name + "`"; // See PR #4888
 }
 
 PYBIND11_NOINLINE std::string type_info_description(const std::type_info &ti) {
@@ -1211,7 +1211,7 @@ PYBIND11_NOINLINE std::string type_info_description(const std::type_info &ti) {
         return th.attr("__module__").cast<std::string>() + '.'
                + th.attr("__qualname__").cast<std::string>();
     }
-    return annotated_any(clean_type_id(ti.name()));
+    return quote_cpp_type_name(clean_type_id(ti.name()));
 }
 
 PYBIND11_NAMESPACE_END(detail)

include/pybind11/pybind11.h

@@ -492,7 +492,7 @@ class cpp_function : public function {
                     signature += rec->scope.attr("__module__").cast<std::string>() + "."
                                  + rec->scope.attr("__qualname__").cast<std::string>();
                 } else {
-                    signature += detail::annotated_any(detail::clean_type_id(t->name()));
+                    signature += detail::quote_cpp_type_name(detail::clean_type_id(t->name()));
                 }
             } else {
                 signature += c;