Add postgres 16.8 troubleshooting steps

Doug Barrettrequested to merge
dbarrett/postgres16-troubleshooting-guide into main

What does this merge request do and why?

  • Add commonly found issues with postgres 16.8 install
  • Reduce support load and allow users to self-serve

Closes #2575 (closed)

Merge request checklist

  • This MR references an issue describing the change.
  • This change is backward compatible. If not, please include steps to communicate to our users.
  • Documentation added/updated, if needed.
Edited by Doug Barrett

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