bpo-41048: mimetypes should read the rule file using UTF-8, not the locale encoding (GH-20998)

diff --git a/Misc/ACKS b/Misc/ACKS
index 87f0ded..641ef0c 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1706,6 +1706,7 @@
 Victor Terrón
 Pablo Galindo
 Richard M. Tew
+Srinivas Reddy Thatiparthy
 Tobias Thelen
 Christian Theune
 Févry Thibault