feat: postgres ssl support

[Shivam-nagar23]

Description

Fixes #

Checklist:

• The title of the PR states what changed and the related issues number (used for the release note).
• Does this PR requires documentation updates?
• I've updated documentation as required by this PR.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested it for all user roles.
• I have added all the required unit/api test cases.

Does this PR introduce a user-facing change?

Summary by Bito

• Added support for configurable PostgreSQL SSL modes and root certificates via environment variables (PG_SSL_MODE, PG_SSL_ROOT_CERT).
• Updated database connection logic in pkg/sql and vendor/common-lib to utilize TLS configurations.
• Refactored Casbin adapter to support SSL parameters in the data source string.
• Updated dependencies for authenticator and common-lib.

[github-actions]

Some linked issues are invalid. Please update the issue links:\nIssue # in is not found or invalid (HTTP }404).\n

[github-actions]

Some linked issues are invalid. Please update the issue links:\nIssue # in is not found or invalid (HTTP }404).\n

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud