Upgrade to Postgres v12

[coderberry]

Type of PR

• [ ] feature
• [x] enhancement
• [ ] bug fix
• [ ] other

Description

Upgrade database to v12

Checklist

• [x] My code follows the style guidelines of this project & the tests are passing
• [x] I have performed a self-review of my own code
• [x] I have requested a review from another developer(s)

Screenshots

[codecov[bot]]

Codecov Report

Merging #1288 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1288   +/-   ##
=======================================
  Coverage   34.78%   34.78%           
=======================================
  Files         335      335           
  Lines        7810     7810           
=======================================
  Hits         2717     2717           
  Misses       5093     5093           

Impacted Files	Coverage Δ
app/jobs/schedule_organization_report_job.rb	86.20% <0.00%> (ø)