Hide secrets on syslog target machine when calling POST /oauth2/token

[mlollo]

When calling POST /oauth2/token with task ansible.builtin.uri no_log=True should be specified to hide the falcon_client_secret in syslog target machine. If the authorization header with the Bearer oauth token must be hidden too, use no_log=True on all task ansible.builtin.uri. Add a header_secret input for uri module