add EL10 basic support - align EL10 PGSQL 16 default package version

[ikonia]

Summary

single commit adding version alignment to EL10 default postgresql 16 package versions

Additional Context

Add any additional context about the problem here.

Continuation of existing pattern to support OS version -> default PGSQL packages

Related Issues (if any)

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Checklist

• 🟢 Spec tests.
• [ X] 🟢 Acceptance tests.
• [ x] Manually verified. (For example puppet apply)
• puppet-lint

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[bastelfreak]

please also add EL10 to metadata.json

[ikonia]

sorry metadata.json - had it locally hadn't committed

[ikonia]

the CLA has been signed FYI: not sure why the job is not picking it up