Make 12.13.0 releasev12.13.0

Mostly to get some cleanups into a release, but adds a tiny improvement
in commit a4b5775 ("menuconfig/guiconfig: Print 'default:' with no 's'
if there's just one").

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 1e16ee5..9a3947e 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ import setuptools
 setuptools.setup(
     name="kconfiglib",
     # MAJOR.MINOR.PATCH, per http://semver.org
-    version="12.12.1",
+    version="12.13.0",
     description="A flexible Python Kconfig implementation",
 
     # Make sure that README.rst decodes on Python 3 in environments that use