chore(deps): update kotlin to v1.9.20

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin.kapt	1.9.10 -> 1.9.20
org.jetbrains.kotlin.plugin.spring	1.9.10 -> 1.9.20
org.jetbrains.kotlin.jvm	1.9.10 -> 1.9.20

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[renovate]

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[codecov]

Codecov Report

Merging #128 (f5cab12) into main (3444576) will not change coverage.
Report is 5 commits behind head on main.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #128   +/-   ##
=========================================
  Coverage     73.19%   73.19%           
  Complexity      143      143           
=========================================
  Files            32       32           
  Lines           582      582           
  Branches         42       42           
=========================================
  Hits            426      426           
  Misses          118      118           
  Partials         38       38           

Flag	Coverage Δ
unittests	73.19% <ø> (ø)

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