This PS fixes the rabbitmq exporter configurations.
Now, RABBIT_CAPABILITIES env values can not be set because of dummy
values.
After fix values, it needs to upgrade exporter image version because
of string parsing problem in the exporter.
Additional, bert option is added.
https://github.com/kbudde/rabbitmq_exporter
Change-Id: I2a763b6730bcbef1900f7cd4c5a05066bfffadf2
co-authored-by: DaeSeong Kim <powerds0111@gmail.com>
Signed-off-by: Pete Birley <pete@port.direct>