v2.16.0.1rc1

What's Changed

• 3scale tests v2.15.0.23rc2 by @github-actions in #905
• UI tests fixes for alpha based on 2.16 changes by @mastastny in #873
• add test_field_definitions by @mastastny in #906

Full Changelog: v2.15.0.23...v2.16.0.1rc1