bpo-32734: Fix asyncio.Lock multiple acquire safety issue (GH-5466) (#5501)

(cherry picked from commit 2f79c014931cbb23b08a7d16c534a3cc9607ae14)

Co-authored-by: Bar Harel <bzvi7919@gmail.com>
diff --git a/Misc/ACKS b/Misc/ACKS
index 3fdfa30..c5eadc5 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -602,6 +602,7 @@
 Stephen Hansen
 Barry Hantman
 Lynda Hardman
+Bar Harel
 Derek Harland
 Jason Harper
 David Harrigan