blockly-v10.4.2

This is a patch release that addresses minor issues with dragging that were introduced in v10.4.0.

What's Changed

Bug fixes 🐛

• fix: insertion marker drag scaling by @BeksOmega in #7874
• fix: restore respecting snap radius by @BeksOmega in #7873

Full Changelog: blockly-v10.4.1...blockly-v10.4.2