Update Puppet modules: 2018Q4 → 2019Q2 edition

Originally created by @intrigeri on #15500 (Redmine)

Subtasks

• tails/sysadmin#15510
• tails/sysadmin#15511
• tails/sysadmin#15513
• tails/sysadmin#16172

Related issues

• Related to tails/sysadmin#15499