Update postgres:15 Docker digest to 8d45935

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
postgres	digest	78a275d -> 8d45935

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Configuration

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[codecov[bot]]

Codecov Report

Merging #396 (58ed4f1) into main (78b2b91) will decrease coverage by 0.84%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #396      +/-   ##
==========================================
- Coverage   60.03%   59.19%   -0.84%     
==========================================
  Files          10       10              
  Lines         598      598              
==========================================
- Hits          359      354       -5     
- Misses        169      173       +4     
- Partials       70       71       +1     

Flag	Coverage Δ
integrationtests	38.29% <ø> (ø)
unittests	26.58% <ø> (-0.84%)	:arrow_down:

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see 1 file with indirect coverage changes