postgres - upgrading pg to 8.11.5

[jaredwray]

Please check if the PR fulfills these requirements

• Followed the Contributing guidelines.
• Tests for the changes have been added (for bug fixes/features) with 100% code coverage.
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
postgres - upgrading pg to 8.11.5

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.89%. Comparing base (9e08d87) to head (48d8f02).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1058   +/-   ##
=======================================
  Coverage   99.89%   99.89%           
=======================================
  Files          40       40           
  Lines        2965     2965           
  Branches      585      585           
=======================================
  Hits         2962     2962           
  Misses          3        3           

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