chef: Point release for Chef 3.1

Change-Id: I5e3167ab0ca36c017d988d093226ee951c5bf954
(cherry picked from commit 4162640e446a8471170cf88bfd3f67c42604c456)

debian/changelog

diff --git a/debian/changelog b/debian/changelog
index ffa53d8..a3b69c1 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,10 @@
-base-files (9.9+mendel5)  mendel-chef; urgency=medium
+base-files (9.9+mendel6) mendel-chef; urgency=medium
+
+  * Bump for the Chef 3.1 point release
+
+ -- Coral <coral-support@google.com>  Thu, 18 Apr 2019 13:40:57 -0700
+
+base-files (9.9+mendel5) mendel-chef; urgency=medium
 
   * debian_version: Force-remove the symlink
   * origins: Fix the vendor-url and bugs url

etc/mendel_version

diff --git a/etc/mendel_version b/etc/mendel_version
index 9f55b2c..8c50098 100644
--- a/etc/mendel_version
+++ b/etc/mendel_version
@@ -1 +1 @@
-3.0
+3.1