change deprecated maintainer to label (#2724)
change deprecated maintainer to label (#2724)


alileza/prometheus,Gouthamve/prometheus,prometheus/prometheus,Conorbro/prometheus,GoogleCloudPlatform/prometheus,keegancsmith/prometheus,Stackdriver/stackdriver-prometheus,yanghongkjxy/prometheus,brancz/prometheus,brancz/prometheus,Stackdriver/stackdriver-prometheus,yanghongkjxy/prometheus,kangwoo/prometheus,JavierZunzunegui/prometheus,AlekSi/prometheus,AlekSi/prometheus,Colstuwjx/prometheus,Gouthamve/prometheus,AlekSi/prometheus,GoogleCloudPlatform/prometheus,Conorbro/prometheus,Stackdriver/stackdriver-prometheus,brancz/prometheus,alileza/prometheus,kangwoo/prometheus,Stackdriver/stackdriver-prometheus,kangwoo/prometheus,alileza/prometheus,Gouthamve/prometheus,Conorbro/prometheus,Colstuwjx/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,Colstuwjx/prometheus,yanghongkjxy/prometheus,AlekSi/prometheus,keegancsmith/prometheus,GoogleCloudPlatform/prometheus,amorken/prometheus,brancz/prometheus,JavierZunzunegui/prometheus,amorken/prometheus,amorken/prometheus,GoogleCloudPlatform/prometheus,kangwoo/prometheus,keegancsmith/prometheus,prometheus/prometheus,Gouthamve/prometheus,prometheus/prometheus,prometheus/prometheus,amorken/prometheus,keegancsmith/prometheus,alileza/prometheus,Colstuwjx/prometheus,JavierZunzunegui/prometheus,JavierZunzunegui/prometheus,Conorbro/prometheus,yanghongkjxy/prometheus,prometheus/prometheus,keegancsmith/prometheus