feat(s3): add publishedPrefix to pathCache to avoid reupload of files

[alguimodd]

Fixes #1475

Requirements

All new code should be covered with tests, documentation should be updated. CI should pass.

Description of the Change

This adds the publishedPrefix to paths added to pathCache so it can be correctly compared to the relPath.

Checklist

• unit-test added (if change is algorithm)
• functional test added/updated (if change is functional)
• man page updated (if applicable)
• bash completion updated (if applicable)
• documentation updated
• author name in AUTHORS

[cfiehe]

This change should fix the cache lookup issue. Files are looked up with respect to the publishedPrefix, but they are not put into the cache containing that publishedPrefix. The result is a cache miss in use cases with a non-empty publishedPrefix.

@alguimodd
Thanks yor fixing and your detailed analysis.

@neolynx
Can you please merge this change and close the corresponding issue. Thanks a lot.