sysutils/ansible: security update to 7.6.0

Use python 3.9+ following upstream and ansible-core

Delete CONFLICTS -- conflicting ports were mostly removed in 2020 and
2021 with the last being removed at the end of last year.

Security: f418cd50-561a-49a2-a133-965d03ede72a
Security: e1b77733-a982-442e-8796-a200571bfcf2
PR: 271679
Approved by: 0mp (maintainer)