Method to list active pg locks

[AlanCoding]

Description

Fixes #679

Type of Change

• 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)
• Documentation update
• Test update
• Refactoring (no functional changes)
• Development environment change
• Configuration change

Self-Review Checklist

• I have performed a self-review of my code
• I have added relevant comments to complex code sections
• I have updated documentation where needed
• I have considered the security impact of these changes
• I have considered performance implications
• I have thought about error handling and edge cases
• I have tested the changes in my local environment

[github-actions]

DVCS PR Check Results:

Could not find JIRA key(s) in PR title, branch name, or commit messages

[sonarqubecloud]

Quality Gate failed

Failed conditions
40.0% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud