net-mgmt/icinga2: Update to 2.14.3

Reported by: Alexander Klimov <alexander.klimov@icinga.com>
Security: 0a82bc4d-a129-11ef-8351-589cfc0f81b0

(cherry picked from commit 1f8a6fe13f08a2e0a9dfa07a7253ae625d8db386)

net-mgmt/icinga2: Forgot to add distinfo

(cherry picked from commit 2dfa04aa92b90197a3a633eddbea266a4518aae7)