Add logging to data pipeline

[vipinsamreddy]

Description

• created a dedicated pipeline report directory under RUNNER_TEMP

• kept per-stage JSON summaries for source versioning, input download, SQL generation, maintenance enable/restore, ETL, review-seed
  backup, environment backup, and review restore

• preserved ETL and pg_dump logs into the report artifact, instead of only leaving them in working files

• recorded retry metadata explicitly for ETL: attempts, retry count, retry classification

• made skipped paths explicit for backup and restore stages

• added a final markdown run summary to GITHUB_STEP_SUMMARY showing each stage’s status, retries, and concise summary

• uploaded the whole structured report as one artifact: data-pipeline-stage-report-
  -also fixed the maintenance-restore summary so it no longer depends on the brittle inline || expression.

Related Trello Ticket

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Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

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• Unit tests added/updated
• Integration tests added/updated
• Manual testing performed
• Tested on [Environment: Dev/Staging/Local]

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have verified accessibility requirements are met

Screenshots (if applicable)

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Code Coverage Report: Only Changed Files listed

Package	Coverage
Overall Coverage	🟢 77.52%

Minimum allowed coverage is 0%, this run produced 77.52%