Fixed the issue of uptime Tracking data not getting updated in system_uptimes table

[chajain]

Description

The uptime tracking records are inserting successfully in the system_uptimes table but the update of the same data was failing Fixes # (issue)

Change Type

Please select the correct option.

• [ X] Bug Fix (a non-breaking change which fixes an issue)
• [ ] New Feature (a non-breaking change which adds new functionality)
• [ ] Documentation Update (a change which only updates documentation)

Checklist

Please check off each item if the requirement is met.

• [ X] I have verified that my code follows RMT's coding standards with rubocop.
• [ ] I have reviewed my own code and believe that it's ready for an external review.
• [ ] I have provided comments for any hard-to-understand code.
• [ ] I have documented the MANUAL.md file with any changes to the user experience.
• [X ] RMT's test coverage remains at 100%.
• [ ] If my changes are non-trivial, I have added a changelog entry to notify users at package/obs/rmt-server.changes.

Other Notes

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