Switch to using sslmode=prefer for connections to backend DB

[louis-pie]

• Fix minor schema issues
• Fix testing
• Bump dependencies
• Change development environment DB to use SSL
• Switch to using sslmode=prefer for connections to backend DB

Context

AP-1764 Allow possibility of backend DB to use SSL

Checklist

• Change meets or does not compromise the Baseline Security Requirements

[wise-github-bot-app]

🔴

Your CODEOWNERS file is broken, fix the following errors before merging the branch:

• The CODEOWNERS file does not exist. Repository ownership will default to ENGINEERING until you add a CODEOWNERS file with a * rule that assigns it to a team

[wise-github-bot-app]

Your CODEOWNERS or the tw-rules.yaml file has changed. Syncing your GitHub teams with your CODEOWNERS file and extraWriters in tw-rules:

Collaborator Name	Synced	Comment
analytics-platform	🟢	Team updated with role owner
@tw-census	🟢	User added with role admin

You have more info in the docs