DPE-9018 Bump PostgreSQL 16.11

[taurus-forever]

Issue

Charm ships outdated PostgreSQL 16.10

Solution

Update PostgreSQL to 16.11

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.82%. Comparing base (451a463) to head (56bab51).
⚠️ Report is 2 commits behind head on 16/edge.

❌ Your project status has failed because the head coverage (69.82%) is below the target coverage (70.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff            @@
##           16/edge    #1332   +/-   ##
========================================
  Coverage    69.82%   69.82%           
========================================
  Files           16       16           
  Lines         4149     4149           
  Branches       658      658           
========================================
  Hits          2897     2897           
  Misses        1045     1045           
  Partials       207      207           

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