templates/packer: make set_executor_hostname executable

Prevents `worker-executor.service: Failed at step EXEC spawning
/usr/local/libexec/worker-initialization-scripts/set_executor_hostname.sh:
Permission denied`.
This commit is contained in:
Sanne Raymaekers 2024-06-25 18:11:48 +02:00
parent 791ec07bc2
commit af73f2eccf