Update postgresql-integration.mdx to reflect Postgres 17 support

[rahulreddy15]

Give us some context

• nri-postgresql on host integration now supports Postgres v17.
• Source table for PostgresInstanceMetrics changed which required changed to the collapsible section's table.
• https://github.com/newrelic/nri-postgresql/commit/70acad3f0cc7422d3731f685a755fc075387e333

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:white_check_mark: rahulreddy15
:x: nbaenam

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[github-actions[bot]]

Hi @rahulreddy15 👋

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[rahulreddy15]

This looks good. Once the feature gets released on Monday. We can merge the PR.

[rahulreddy15]

The new version got released. LGTM 🚀 🚀 🚀

[adutta-newrelic]

I am closing this PR as I have created another PR to avoid the CLI conflict, this is the new PR that I have moved this information to https://github.com/newrelic/docs-website/pull/19337