sysutils/ansible: Multiple Vulnerabilities fix

• Update ansible 2.8.7=>2.8.11
• Update ansible27 2.7.15=>2.7.17
• For ansible27 add fixes [1]
  • Rudimentary detection of the virtual platforms
  • playbook hangs without ASSUME_ALWAYS_YES for pkgng
  • Fix zpool snapshot cloning
  • Fix doas password authentication
  • Mark ansible26, ansible25, ansible24 and ansible23 DEPRECATED without EXPIRATION_DATE for MFH

PR: 241734 233970 [1]
Submitted by: timur [1]
Reported by: ncrogers@gmail.com
Approved by: portmgr (maintainer timeout, > 14 days)
MFH: 2020Q2 (bugfix release)
Security: CVE-2020-1737
Security: CVE-2020-1739
Security: CVE-2020-1740