fix: set correct perms for ssh key files
fix: set correct perms for ssh key files

progrium/dokku,claytonbrown/dokku,progrium/dokku,claytonbrown/dokku,claytonbrown/dokku,dokku/dokku,claytonbrown/dokku,dokku/dokku,dokku/dokku,dokku/dokku,dokku/dokku,dokku/dokku,progrium/dokku,claytonbrown/dokku,progrium/dokku,progrium/dokku,claytonbrown/dokku,progrium/dokku,progrium/dokku,claytonbrown/dokku,dokku/dokku,claytonbrown/dokku,dokku/dokku,progrium/dokku