fix: Add capitalize render name of py::buffer and py::sequence

Author: sizmailov

include/pybind11/cast.h

@@ -882,6 +882,10 @@ struct handle_type_name<bytes> {
     static constexpr auto name = const_name(PYBIND11_BYTES_NAME);
 };
 template <>
+struct handle_type_name<buffer> {
+    static constexpr auto name = const_name("Buffer");
+};
+template <>
 struct handle_type_name<int_> {
     static constexpr auto name = const_name("int");
 };
@@ -906,6 +910,10 @@ struct handle_type_name<none> {
     static constexpr auto name = const_name("None");
 };
 template <>
+struct handle_type_name<sequence> {
+    static constexpr auto name = const_name("Sequence");
+};
+template <>
 struct handle_type_name<args> {
     static constexpr auto name = const_name("*args");
 };