Update Ansible to 2.9.13 (#17)

Author: alessfg

.travis.yml

@@ -36,7 +36,7 @@ before_install:
   - sudo apt-get update
   - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce
 install:
-  - pip install ansible==2.9.12
+  - pip install ansible==2.9.13
   - pip install ansible-lint==4.3.3
   - pip install molecule==3.0.8
   - pip install docker==4.3.1