Prepare debian changelog for 4.0.7
diff --git a/debian/changelog b/debian/changelog
index 441d0b0..42f0e45 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,8 +1,8 @@
-cassandra (4.0.7) UNRELEASED; urgency=medium
+cassandra (4.0.7) unstable; urgency=medium
 
   * New release
 
- -- Mick Semb Wever <mck@apache.org>  Thu, 18 Aug 2022 20:30:16 +0200
+ -- Mick Semb Wever <mck@apache.org>  Wed, 19 Oct 2022 10:57:06 +0200
 
 cassandra (4.0.6) unstable; urgency=medium