Update module gorm.io/driver/postgres to v1.5.11

This MR contains the following updates:

Package	Type	Update	Change
gorm.io/driver/postgres	require	patch	v1.5.9 -> v1.5.11

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• Followed upgrade instructions outlined in docs/DEVELOPMENT_MAINTENANCE.md
• Update Docs with new/updated steps as needed
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Upgrade Notices

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