(PDB-4576) Update clj-parent to 2.7.2
(PDB-4576) Update clj-parent to 2.7.2

clj-parent differences since 2.6.0
- updated jackson-databind for CVE-2019-14439
- updated jvm-ssl-utils for minor security fixes
- nrepl updates
- use clojure 1.10.1

puppetlabs/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb