Update os versions in omnibus kitchen.yml

We want more modern versions of Ubuntu and Centos when building via omnibus.

Signed-off-by: Mark Anderson <[email protected]>

omnibus/.kitchen.yml

@@ -12,19 +12,24 @@ provisioner:
   require_chef_omnibus: 13.8.5
 
 platforms:
-  - name: ubuntu-14.04
+  - name: ubuntu-18.04
     run_list: apt::default
-  - name: ubuntu-12.04
+  - name: ubuntu-16.04
     run_list: apt::default
-  - name: ubuntu-11.04
+  - name: ubuntu-14.04
     run_list: apt::default
-  - name: ubuntu-10.04
+  - name: ubuntu-12.04
     run_list: apt::default
-  - name: centos-5.11
-    run_list:  yum-centos::vault
-  - name: centos-6.7
-  - name: centos-7.2
+  - name: centos-6
+  - name: centos-7
     run_list:  yum-centos::default
+  - name: sles-11
+    driver:
+      box: chef/sles11-sp2-x86_64
+  - name: sles-12
+    driver:
+      box: chef/sles-12-sp1-x86_64
+
 
 suites:
   - name: default