v0.14.2-beta1

⚠️ this release has a bunch of foundational changes so things could be extra buggy.

What's Changed

• [Bug] Set x-frame-options header by @alexjustesen in #1002
• [Bug] Disable nginx x-frame-options header by @alexjustesen in #1003
• Lock PHP image into "serversideup/php" v2.2.1 by @jaydrogers in #1004
• [Feature] Check for a new version and notify the admin(s) by @alexjustesen in #1005
• [Chore] Refactor running an Ookla speedtest by @alexjustesen in #1007

Full Changelog: v0.14.1...v0.14.2-beta1