sequeler: 0.5.5 -> 0.5.9

Fix build dependency needed in 0.5.6 and forwards.

Changelogs:
 - https://github.com/Alecaddd/sequeler/releases/tag/v0.5.6
 - https://github.com/Alecaddd/sequeler/releases/tag/v0.5.7
 - https://github.com/Alecaddd/sequeler/releases/tag/v0.5.8
 - https://github.com/Alecaddd/sequeler/releases/tag/v0.5.9