fix: install boto3

Closes #149 (closed)

ansible/roles/ssh_host_keys/tasks/main.yml

@@ -5,6 +5,12 @@
     state: directory
     mode: '0755'
 
+- name: Install require package
+  ansible.builtin.pip:
+    name: boto3
+    extra_args: "--extra-index-url https://pypi.python.org/simple"
+    executable: "/usr/bin/pip3"
+
 - name: Download SSH host keys tar.gz from S3
   aws_s3:
     mode: get