This solves problems on Linux distros like NixOS and BSDs like FreeBSD that don't provide `/bin/bash`, while also
maintaining support for all other distros out there (AFAIK? even Alpine with its Busybox has /usr/bin/env).
* Change devenv provision updateinterval to one hour
* Update bulk-dashboards and bulk-folders
* Clear bulk-folders before creating new ones
* Update devenv/bulk-folders/bulk-folders.sh