ScratchCPP Player 0.6.0

Change log:

• Added aarch64 (arm64) AppImages (#42).
• Updated scratchcpp-render to v0.9.0 (https://github.com/scratchcpp/scratchcpp-render/releases/tag/v0.9.0).
• This is the last minor release with the bytecode VM.

Full Changelog: v0.5.0...v0.6.0