v283.1.12

Updates:

• Updates mariadb-connector from 3.4.9 to 3.4.11

What's Changed

• fix: use un-depreceated JSON methods / arg format by @aramprice in #2825
• Remove postgres thread-safety patch; fixed upstream in ruby-pg 1.7.0 by @colins in #2827
• Do not create schema_migrations when checking migration state by @KauzClay in #2824
• nit: fix many (not all) typos by @aramprice in #2826
• fix: spec no longer depends on db-order by @aramprice in #2828

Full Changelog: v283.1.11...v283.1.12