ci(kitchen+travis+inspec): fix `amazonlinux-2-py3` [skip ci]

* Semi-automated using https://github.com/myii/ssf-formula/pull/128
* Tested: https://travis-ci.org/myii/salt-formula/jobs/649882733

.travis.yml

     # - env: INSTANCE=v201803-py2-arch-base-latest-2018-3-py2
     - env: INSTANCE=v201902-py2-ubuntu-1804-2019-2-py2
     # - env: INSTANCE=v201902-py2-centos-7-2019-2-py2
-    - env: INSTANCE=v201902-py2-amazonlinux-2-2019-2-py3
+    - env: INSTANCE=v201902-py3-amazonlinux-2-2019-2-py3
     # - env: INSTANCE=v201902-py2-arch-base-latest-2019-2-py2
     - env: INSTANCE=v201902-py3-debian-10-2019-2-py3
     # - env: INSTANCE=v201902-py3-debian-9-2019-2-py3

kitchen.yml

       - ubuntu-1804-2019-2-py3
       - centos-8-2019-2-py3
       - opensuse-leap-151-2019-2-py3
+      - amazonlinux-2-2019-2-py3
     provisioner:
       state_top:
         base:
     includes:
       - ubuntu-1804-2019-2-py2
       - centos-7-2019-2-py2
-      - amazonlinux-2-2019-2-py3
       - arch-base-latest-2019-2-py2
     provisioner:
       state_top:

test/integration/v201902-py3/controls/pkgs_spec.rb

   when 'redhat'
     case platform[:name]
     when 'amazon'
-      '2019.2.2-1.el7'
+      '2019.2.3-1.amzn2'
     when 'centos'
       '2019.2.3-1.el8'
     end