Fix artifacts object storage geo replication

What does this MR do and why?

Fix artifacts object storage geo replication

This fixes the geo replication bug wherein the default behavior of Carrierwave is skipped when job artifact is uploaded to final location.

Resolves #419742 (closed)

Screenshots or screen recordings

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Before	After

How to set up and validate locally

I have not tested this locally yet with a GDK Geo setup, but this was confirmed to be working on staging-ref: #419742 (comment 1491232432)

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