Log Message:
databases/ruby-arel-helpers: update to 2.11.0

update ruby-arel-helpers to 2.11.0.

2.11.0

* Allow consumers of ArelHelpers::QueryBuilder to chain on falsy return
  (@ramhoj #44).
	- Add not_nil in front of builder methods to opt-in.

2.10.0

* Add support for Rails 6 rc2.