[FIX] Add postgresql version to addons in order to fix Travis tests

[zaoral]

No description provided.

[codecov-io]

Codecov Report

Merging #19 into 11.0 will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##            11.0     #19   +/-   ##
=====================================
  Coverage   36.7%   36.7%           
=====================================
  Files          5       5           
  Lines         79      79           
=====================================
  Hits          29      29           
  Misses        50      50

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[coveralls]

Coverage remained the same at 36.709% when pulling f75132c on adhoc-dev:11.0-h-18777-kz into aa8246c on ingadhoc:11.0.