Postgres gem seems pretty old

[a-barbieri]

Issue

Postgres gem seems pretty old. Is there any reason to keep its version <1.0?

Expected behavior

Postgres gem should be updatable to the latest version (currently 1.1.4)

How to reproduce the issue

Look in the gemspec:

https://github.com/BindaCMS/binda/blob/15c5d917219793d90dfdbde81dd7d24bdc66ba8d/binda.gemspec#L45

System configuration

Binda version: 0.1.11

Rails version: 5.2