Fix Security/YAMLLoad offenses
Fix Security/YAMLLoad offenses

Not part of this PR,  but popped up when I ran
`rubocop --ignore-parent-exclusion --only Security`
and were small, easy fixes

MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer