Add Florian Ernst to ACKS (GH-15524)

diff --git a/Misc/ACKS b/Misc/ACKS
index 3a79686..4f5ebd6 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -458,6 +458,7 @@
 Gökcen Eraslan
 Stoffel Erasmus
 Jürgen A. Erhard
+Florian Ernst
 Michael Ernst
 Ben Escoto
 Andy Eskilsson