[FEATURE REQUEST] Add ssl options to postgresql pillar

[gou177]

Is your feature request related to a problem? Please describe.
Unable to set ssl options in postgres pillar config.

Describe the solution you'd like
Add support for postgres in pillar

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

Please Note
If this feature request would be considered a substantial change or addition, this should go through a SEP process here https://github.com/saltstack/salt-enhancement-proposals, instead of a feature request.

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