replace action ec2_facts to ec2_metadata_facts

[ma2saka]

Module ec2_facts has been removed (rename?).

TASK [telusdigital.aws.codedeploy-agent : Get Instance Metadata | ec2] **************************************************************************************************************************************************************
[DEPRECATION WARNING]: ec2_facts is kept for backwards compatibility but usage is discouraged. The module documentation details page may explain more about this rationale.. This feature will be removed in a future release.
Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.
fatal: [127.0.0.1]: FAILED! => {"changed": false, "msg": "This module has been removed.  The module documentation for Ansible-2.6 may contain hints for porting"}

Tested on

• CentOS 7
• ansible 2.6.1, 2.7.0