ScratchCPP Render 0.9.1

Change log:

• Updated libscratchcpp to v0.13.2 (https://github.com/scratchcpp/libscratchcpp/releases/tag/v0.13.2).
• Fixed HQ pen rendering issues (#162).
• Fixed monitors appearing behind sprites (#161).
• Fixed pen rendering breaking after changing stage width or height (#164).

Full Changelog: v0.9.0...v0.9.1