!13 update release version

From: @hanxinke
Reviewed-by: @shinwell_hu
Signed-off-by: @shinwell_hu

python-kitchen.spec

@@ -1,6 +1,6 @@
 Name:           python-kitchen
 Version:        1.2.6
-Release:        2
+Release:        5
 Summary:        Useful snippets of python code
 License:        LGPLv2+
 URL:            https://pypi.python.org/pypi/kitchen/
@@ -96,6 +96,9 @@ popd
 %doc {kitchen2,kitchen3}/docs/* html COPYING COPYING.LESSER
 
 %changelog
+* Wed Feb 10 2021 hanxinke <hanxinke@huawei.com> - 1.2.6-5
+- update release version
+
 * Fri Sep 25 2020 tianwei <tianwei12@huawei.com> - 1.2.6-2
 - replace obsolete pngmath with imgmath