fix(image_workflow): fix publish loki-docker-driver stage

[shantanualsi]

What this PR does / why we need it:
publish image workflow is failing since a week due to incorrect vars in loki-docker-driver. This PR fixes the workflow stage.

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Checklist

• Reviewed the CONTRIBUTING.md guide (required)
• Documentation added
• Tests updated
• Title matches the required conventional commits format, see here
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