Reverse dependencies for backlog_kit

Latest version of the following gems require backlog_kit

Gem	Version	Date	Downloads
bl +163 Thousand Downloads	`0.7.0` May 31, 2018	May 31, 2018	163 Thousand
furikake +48.5 Thousand Downloads	`0.2.8` August 28, 2021	August 28, 2021	48.5 Thousand
backlogcp +6.32 Thousand Downloads	`0.3.0` July 07, 2016	July 07, 2016	6.32 Thousand
daimyo +2.74 Thousand Downloads	`0.0.2` January 03, 2019	January 03, 2019	2.74 Thousand