Bump SQLite driver dep version [ci drivers]

Fix MySQL timezones by using literals

[Xray] fix unrepresentable numbers

Allow additional connection options for Vertica

Upgrade java.jdbc to 0.7.5

There are some nice performance improvements in 0.7.4, so updating to
the latest to benefit from them.

Upgrade Toucan to 1.1.2 [ci drivers]

Fix small i18n typos

Fix excessive DB calls on reference guide

Before this commit, via the `/database/:id/metadata`, we make a DB
call for each field's target table. On databases with a larger number
of these values, it can cause many database calls. This will fetch
them via batch hydration first, which will significantly reduce the
number of calls.

Mongo 3.6 support

Change database sync and field values job scheduling [ci drivers]

GA sync fixes