chore(deps): update postgres docker tag to v16

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
postgres	service	major	15-alpine -> 16-alpine

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.47%. Comparing base (dfb2dff) to head (80fb965).
Report is 95 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1703      +/-   ##
==========================================
- Coverage   90.97%   90.47%   -0.50%     
==========================================
  Files         146      147       +1     
  Lines        7492     7594     +102     
  Branches     1502     1575      +73     
==========================================
+ Hits         6816     6871      +55     
- Misses        676      723      +47     

see 29 files with indirect coverage changes

[blumamir]

LGTM and tests are green.

We need to apply it also here

[blumamir]

I applied the relevant change in the current PR. I think this can merge

[forking-renovate]

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[blumamir]

reference: https://www.postgresql.org/about/news/postgresql-16-released-2715/