Downgrade to postgresql 8.6.4 for testing

Signed-off-by: Evili del Rio <evili.del.rio@gmail.com>
1 job for master in 18 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
failed #2508
test

00:00:18

 
Name Stage Failure
failed
test Test

1 chart(s) linted, 0 chart(s) failed
$ helm dependency update .
Saving 1 charts
Downloading bitnami/postgresql from repo https://charts.bitnami.com/bitnami
Save error occurred: could not find : chart bitnami/postgresql not found in https://charts.bitnami.com/bitnami
Deleting newly downloaded charts, restoring pre-update state
Error: could not find : chart bitnami/postgresql not found in https://charts.bitnami.com/bitnami
ERROR: Job failed: command terminated with exit code 1