gh-78157: [Enum] nested classes will not be members in 3.13 (GH-92366)

- add member() and nonmember() functions
- add deprecation warning for internal classes in enums not
  becoming members in 3.13

Co-authored-by: edwardcwang

1 files changed, 1 insertions, 0 deletions

diff --git a/Misc/ACKS b/Misc/ACKS
index 91cd433..a55706d 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1891,6 +1891,7 @@ Jacob Walls
 Kevin Walzer
 Rodrigo Steinmuller Wanderley
 Dingyuan Wang
+Edward C Wang
 Jiahua Wang
 Ke Wang
 Liang-Bo Wang