Add ssl options to postgres pillar

[gou177]

What does this PR do?

Adds ssl options to postgres pillar

What issues does this PR fix or reference?

Fixes #67720

Merge requirements satisfied?

[NOTICE] Bug fixes or features added to Salt require tests.

• Docs
• Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html
• Tests written/updated

Commits signed with GPG?

Yes

Please review Salt's Contributing Guide for best practices, including the
PR Guidelines.

See GitHub's page on GPG signing for more information about signing commits with GPG.

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[twangboy]

Please create a simple test for this