Change:
- Use `sysctl -n` for openbsd uptime information
- Allow `get_sysctl()` to account for multi-line sysctl settings
- Add unit tests for `get_sysctl()`
Test Plan:
- New unit tests
Tickets:
- Fixes#71968
- Refs #72025
- Refs #72067
Signed-off-by: Rick Elrod <rick@elrod.me>
Co-authored-by: Brian Coca <brian.coca+git@gmail.com>
Co-authored-by: Brian Coca <bcoca@ansible.com>