setup.py: prepare for 3.0.43

Signed-off-by: Sam James <sam@gentoo.org>
diff --git a/setup.py b/setup.py
index e6d6487..65a9bd2 100755
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Copyright 1998-2022 Gentoo Authors
+# Copyright 1998-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 try:
@@ -821,7 +821,7 @@
 
 setup(
     name="portage",
-    version="3.0.42",
+    version="3.0.43",
     url="https://wiki.gentoo.org/wiki/Project:Portage",
     project_urls={
         "Release Notes": "https://gitweb.gentoo.org/proj/portage.git/plain/NEWS",