Close #19266: contextlib.ignore -> contextlib.suppress

Patch by Zero Piraeus.
diff --git a/Misc/ACKS b/Misc/ACKS
index ab39bcf..e204bc3 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1003,6 +1003,7 @@
 François Pinard
 Tom Pinckney
 Zach Pincus
+Zero Piraeus
 Michael Piotrowski
 Antoine Pitrou
 Jean-François Piéronne