v9.0.0

What's Changed

• New RootPage and FlexPage types to support new homepage (and more) by @mwvolo in #1567
• allow default promote image if not set by @mwvolo in #1572
• security updates by @mwvolo in #1574
• add some more block types by @TomWoodward in #1573
• more padding options by @TomWoodward in #1575

Full Changelog: v8.2.6...v9.0.0