deps: update ktor monorepo to v2.3.12

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.ktor:ktor-client-okhttp	2.3.11 -> 2.3.12
io.ktor:ktor-client-core	2.3.11 -> 2.3.12

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.79%. Comparing base (d42a87a) to head (e1decd7).

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #8779   +/-   ##
=========================================
  Coverage     67.79%   67.79%           
  Complexity     1164     1164           
=========================================
  Files           243      243           
  Lines          7711     7711           
  Branches        861      861           
=========================================
  Hits           5228     5228           
  Misses         2127     2127           
  Partials        356      356           

Flag	Coverage Δ
funTest-non-docker	33.96% <ø> (ø)
test	38.12% <ø> (ø)

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