Test on Postgres 17

[rowanseymour]

No description provided.

[Copilot]

Pull Request Overview

This PR updates the PostgreSQL version used in the CI workflow from version 15 to version 17, ensuring tests run against a more recent PostgreSQL release.

• Updated PostgreSQL Docker image version in CI configuration

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.95%. Comparing base (696edf4) to head (3366938).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1288   +/-   ##
=======================================
  Coverage   83.95%   83.95%           
=======================================
  Files          48       48           
  Lines        5883     5883           
=======================================
  Hits         4939     4939           
  Misses        944      944           

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