Add braedon/prometheus-es-exporter:0.5.1 mirror

Change-Id: I8c31559be931860c96c6b0c2d9917fbacb0c4351
Related-bug: PROD-27904 (PROD:27904)
(cherry picked from commit 2b27aa73b78c67b71b3c71ecee3b4ccc8af5767c)
1 file changed