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

[zaoral]

No description provided.

[codecov-io]

Codecov Report

Merging #56 into 11.0 will not change coverage.
The diff coverage is n/a.

@@        Coverage Diff         @@
##           11.0   #56   +/-   ##
==================================
  Coverage    60%   60%           
==================================
  Files         5     5           
  Lines        60    60           
==================================
  Hits         36    36           
  Misses       24    24

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 478b77b...500f69c. Read the comment docs.

[coveralls]

Coverage remained the same at 60.0% when pulling 500f69c on adhoc-dev:11.0-h-18777-kz into 478b77b on ingadhoc:11.0.