databases/puppetdb: update to 2.3.4

PR: 199187 [1]
PR: 199624 [2]
Differential Revision: https://reviews.freebsd.org/D2514
Submitted by: Geoff Garside <freebsd@geoffgarside.co.uk> [2]
Approved by: mat (mentor)
Approved by: Zach Leslie <xaque208@gmail.com> (maintainer) [1]