Merge branch 'master' of github.com:bregman-arie/devops-exercises

exercises/ansible/solutions/update_upgrade_task.md

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+## Update and Upgrade apt packages task - Solution
+
+```
+- name: "update and upgrade apt packages."
+  become: yes
+  apt:
+    upgrade: yes
+    update_cache: yes
+```

exercises/ansible/update_upgrade_task.md

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+## Ansible - Update and upgrade APT packages task
+
+1. Write a task to update and upgrade apt packages