Bump scratch-blocks
Bump scratch-blocks

Bumps [scratch-blocks](https://github.com/LLK/scratch-blocks) from 0.1.0-prerelease.20210304032830 to 0.1.0-prerelease.20210305033235.
- [Release notes](https://github.com/LLK/scratch-blocks/releases)
- [Commits](https://github.com/LLK/scratch-blocks/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
LLK/scratch-vm,LLK/scratch-vm,LLK/scratch-vm