In Auto DevOps test job, use POSTGRES_VERSION to 9.6.2 if AUTO_DEVOPS_POSTGRES_CHANNEL is 1

The following discussion from !31799 (merged) should be addressed:

  • @tkuah started a discussion: (+3 comments)

    Legacy Postgresql channel V1 will deploy with 9.6.2 but test with 9.6.16. Will that be an issue ?

Note: We have documented this in !31799 (diffs)

Workaround

Explicitly set POSTGRES_VERSION to ensure consistency

Edited by Hordur Freyr Yngvason