Issue #28435: Avoid no_proxy environment variable interfering with tests

Patch by Piotr Szczepaniak.
diff --git a/Misc/ACKS b/Misc/ACKS
index d35f1e8..8c5c0c2 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1450,6 +1450,7 @@
 Thenault Sylvain
 Péter Szabó
 John Szakmeister
+Piotr Szczepaniak
 Amir Szekely
 Maciej Szulik
 Arfrever Frehtes Taifersar Arahesis