DBOD: upgrade dev DB from 9.6

2 steps

• bump dev dv dbod-pnsdev.cern.ch
  https://dbod-user-guide.web.cern.ch/instance_management/upgrading/postgres_9_6.html

• Image bump

Backend with current pg module and node14 does not start anymore:

Sentry handling http errors:  [ 500 ]
[nodemon] clean exit - waiting for changes before restart

simple upgrade npm install pg@latest fixes the issue.