patch 9.1.0000: Vim 9.1 release

Problem:  Need a new release
Solution: Release Vim 9.1

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/Makefile b/Makefile
index e9e43c1..0d352eb 100644
--- a/Makefile
+++ b/Makefile
@@ -94,7 +94,7 @@
 #    Before creating an archive first delete all backup files, *.orig, etc.
 
 MAJOR = 9
-MINOR = 0
+MINOR = 1
 
 # CHECKLIST for creating a new version:
 #