Implement rotate

[robll-v1]

What type of PR is this?

• API-change
• BUG
• Improvement
• Documentation
• [ x] Feature
• Test and CI
• Code Refactoring

Which issue(s) this PR fixes:

issue #23587

What this PR does / why we need it:

This PR adds USR1-triggered log rotation for standalone deployments. It introduces a logutil.Rotate() helper that rotates the current lumberjack file logger (or logs an INFO skip when no file logger is configured), and updates mo-service to listen for SIGUSR1 without affecting existing shutdown signals. The change enables operators to manually rotate local log files and prevent unbounded growth in single-node environments.

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