Issue #21396: Fix TextIOWrapper(..., write_through=True) to not force a flush() on the underlying binary stream.

Patch by akira.
diff --git a/Misc/ACKS b/Misc/ACKS
index 4068836..75fb706 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -24,6 +24,7 @@
 Farhan Ahmad
 Matthew Ahrens
 Nir Aides
+Akira
 Yaniv Aknin
 Jyrki Alakuijala
 Steve Alexander