Update minimum Ansible version (#220)

Author: alessfg

.travis.yml

@@ -22,7 +22,7 @@ env:
 before_install:
   - sudo apt-get -qq update
 install:
-  - pip install ansible==2.9.2
+  - pip install ansible==2.9.4
   - pip install molecule[docker]==2.22
 script:
   - travis_wait 50 molecule test -s $scenario

meta/main.yml

@@ -7,7 +7,7 @@ galaxy_info:
 
   license: Apache License, Version 2.0
 
-  min_ansible_version: 2.7
+  min_ansible_version: 2.9
 
   platforms:
     - name: Alpine