fix: use ItemStack#toSerializable instead of SerializableItemStack di… · MineInAbyss/Blocky@85b5f9e

Unexpected input(s) 'include_pre', valid inputs are ['repository', 'token', 'property']

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://***.blog/changelog/2022-10-11-***-actions-deprecating-save-state-and-set-output-commands/