Update postgresql to 42.5.4

[xerial-bot]

Updates org.postgresql:postgresql from 42.5.3 to 42.5.4.
Changelog

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

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Adjust future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [ { groupId = "org.postgresql", artifactId = "postgresql" } ]

Or, add this to slow down future updates of this dependency:

dependencyOverrides = [{
  pullRequests = { frequency = "30 days" },
  dependency = { groupId = "org.postgresql", artifactId = "postgresql" }
}]

labels: library-update

[codecov]

Codecov Report

Merging #2759 (226dc61) into master (57a171c) will increase coverage by 0.00%.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2759   +/-   ##
=======================================
  Coverage   82.27%   82.27%           
=======================================
  Files         337      337           
  Lines       14175    14175           
  Branches     2266     2266           
=======================================
+ Hits        11662    11663    +1     
+ Misses       2513     2512    -1     

Impacted Files	Coverage Δ
...rx/src/main/scala/wvlet/airframe/rx/RxRunner.scala	95.41% <0.00%> (+0.38%)	⬆️

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