This fixes the following error occuring when ./run.sh is used after cloning on a Windows host:
=> CACHED [setup-qemu 4/5] RUN apk add dpkg curl
=> ERROR [setup-qemu 5/5] RUN sh /root/setup-image.sh
------
> [setup-qemu 5/5] RUN sh /root/setup-image.sh:
0.313 /root/setup-image.sh: set: line 2: illegal option -
failed to solve: process "/bin/sh -c sh /root/setup-image.sh" did not complete successfully: exit code: 2
This fixes the following error occuring when ./run.sh is used after cloning on a Windows host: