add additional logs for the decom during metadata save

[harshavardhana]

Community Contribution License

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under the terms of the Apache 2 license.
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contributions to the project maintainers under the Apache 2 license.

Description

add additional logs for the decom during metadata save

Motivation and Context

just more debugging information

How to test this PR?

As the logs indicate, we also try to update metadata
only if we have attempted to decom the bucket and that
was a success.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Optimization (provides speedup with no functional changes)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Fixes a regression (If yes, please add commit-id or PR # here)
• Unit tests added/updated
• Internal documentation updated
• Create a documentation update request here