sysutils/elephant: update to 1.0.7

Changelog:

• https://github.com/abenz1267/elephant/releases/tag/v1.0.5
• https://github.com/abenz1267/elephant/releases/tag/v1.0.6
• https://github.com/abenz1267/elephant/releases/tag/v1.0.7

Reported by: GitHub (watch releases)