Bump libpq-dev to 13.18-0+deb11u1 in docker/Dockerfile

[gshank]

Fix error in docker build:

#5 10.70 The following packages have unmet dependencies:
#5 10.75  libpq-dev : Depends: libpq5 (= 13.16-0+deb11u1) but 13.18-0+deb11u1 is to be installed
#5 10.75 E: Unable to correct problems, you have held broken packages.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.10%. Comparing base (a42303c) to head (f1d1f10).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11029      +/-   ##
==========================================
- Coverage   89.15%   89.10%   -0.05%     
==========================================
  Files         183      183              
  Lines       23764    23764              
==========================================
- Hits        21186    21175      -11     
- Misses       2578     2589      +11     

Flag	Coverage Δ
integration	86.41% <ø> (-0.12%)	⬇️
unit	62.17% <ø> (ø)

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Components	Coverage Δ
Unit Tests	62.17% <ø> (ø)
Integration Tests	86.41% <ø> (-0.12%)	⬇️

---- 🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests

[gshank]

@cla-bot check