#14472: Update .gitignore

Patch by Matej Cepl.
diff --git a/Misc/ACKS b/Misc/ACKS
index d5a3510..265cb17 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -161,6 +161,7 @@
 Donn Cave
 Charles Cazabon
 Per Cederqvist
+Matej Cepl
 Octavian Cerna
 Pascal Chambon
 John Chandler
diff --git a/Misc/NEWS b/Misc/NEWS
index eaa9014..c8301bd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -172,6 +172,8 @@
 Build
 -----
 
+- Issue #14472: Update .gitignore. Patch by Matej Cepl.
+
 - Upgrade Windows library versions: bzip 1.0.6, OpenSSL 1.0.1c.
 
 - Issue #14693: Under non-Windows platforms, hashlib's fallback modules are