Bump minor version of PostgreSQL cookbook
Bump minor version of PostgreSQL cookbook

Semantic version due to a minor bug fix,
see 9ac2a2f966a22570f56e15bd2b0288410d5f0e2d

DanielG/travis-cookbooks,gavioto/travis-cookbooks,vinaykaradia/travis-cookbook-cloned,Zarthus/travis-cookbooks,travis-ci/travis-cookbooks,dracos/travis-cookbooks,tianon/travis-cookbooks,spurti-chopra/travis-cookbooks,ardock/travis-cookbooks,ljharb/travis-cookbooks,gavioto/travis-cookbooks,ardock/travis-cookbooks,gavioto/travis-cookbooks,vinaykaradia/travis-cookbook-cloned,Acidburn0zzz/travis-cookbooks,Acidburn0zzz/travis-cookbooks,travis-ci/travis-cookbooks,ljharb/travis-cookbooks,vinaykaradia/travis-cookbook-cloned,vinaykaradia/travis-cookbook-cloned,Distelli/travis-cookbooks,Zarthus/travis-cookbooks,Zarthus/travis-cookbooks,vinaykaradia/travis-cookbook-cloned,tianon/travis-cookbooks,DanielG/travis-cookbooks,ardock/travis-cookbooks,spurti-chopra/travis-cookbooks,Acidburn0zzz/travis-cookbooks,Distelli/travis-cookbooks,DanielG/travis-cookbooks,Distelli/travis-cookbooks,dracos/travis-cookbooks,tianon/travis-cookbooks,ljharb/travis-cookbooks,travis-ci/travis-cookbooks,tianon/travis-cookbooks,DanielG/travis-cookbooks,dracos/travis-cookbooks,Zarthus/travis-cookbooks,gavioto/travis-cookbooks,Acidburn0zzz/travis-cookbooks,ardock/travis-cookbooks,dracos/travis-cookbooks,spurti-chopra/travis-cookbooks,Distelli/travis-cookbooks,tianon/travis-cookbooks