[packaging] Switch using 3.0 native source format

    Related-Prod: https://mirantis.jira.com/browse/PROD-21900

Change-Id: I8d1a4f930ac103a00125169cf4eea80871ec0ea5
diff --git a/debian/changelog b/debian/changelog
index 53b6d77..15e5374 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+salt-formula-kubernetes (2016.12.1) xenial; urgency=medium
+
+  * Switch using 3.0 native source format
+
+ -- devops <devops@mirantis.com>  Fri, 10 Aug 2018 15:42:34 +0400
+
 salt-formula-kubernetes (2016.12.1-1xenial1) xenial; urgency=medium
 
   * Build for Ubuntu xenial
diff --git a/debian/source/format b/debian/source/format
index 163aaf8..89ae9db 100644
--- a/debian/source/format
+++ b/debian/source/format
@@ -1 +1 @@
-3.0 (quilt)
+3.0 (native)