Small improvements and drop support for Node 12

• fix: instructions file to use correct imports d248780
• ci: fix the config file to use redis service 60fc279
• fix: api tokens token column to have unique constraint dd185cf
• refactor: update template stub to pre-define the type 601a5fc
• refactor: rethrow exception when not instance of the auth exception f99b0ce
• refactor: log authentication failure error 3eb6da0
• test: add test for an edge case 0f6f911
• refactor: allow user provider builder config property to lazy import the provider 327388c
• feat: allow lucid provider to implement findForAuth to lookup user by uid 7f0ff31
• refactor: use ioc container new async apis 48f3570
• chore: use the next tag for release 5f5c518
• style: reformat source files 5504340
• chore: remove npm-audit in favor of synk 8f3bf1d
• chore: update dependencies 7c099b8
• fix: remove JwtGuardContract from auth contract (#158) e6756dd

v5.1.1...v6.0.0