Merge pull request #567 from code0-tech/renovate/pg-1.x-lockfile

Update dependency pg to v1.6.2

Author: Taucher2003

Gemfile.lock

@@ -204,7 +204,7 @@ GEM
     parser (3.3.8.0)
       ast (~> 2.4.1)
       racc
-    pg (1.6.1)
+    pg (1.6.2)
     pp (0.6.2)
       prettyprint
     prettyprint (0.2.0)