[Travis] Use 7.7.2
[Travis] Use 7.7.2

Tosuke/misskey,ha-dai/Misskey,Tosuke/misskey,armchair-philosophy/misskey,armchair-philosophy/misskey,Tosuke/misskey,syuilo/Misskey,armchair-philosophy/misskey,ha-dai/Misskey,armchair-philosophy/misskey,syuilo/Misskey,Tosuke/misskey,Tosuke/misskey