dns/powerdns: update to 4.6.1
Fixes CVE-2022-27227
PR: 262879
Reported by: Ralf van der Enden <tremere@cainites.net> (maintainer)
MFH: 2022Q2 (security fix)
Security: CVE-2022-27227
(cherry picked from commit 79872ab6096b3bfc3edbd2ec845698316260bd0d)