Revert Update Kotlin to version 1.4.31

[schalkms]

The bump to Kotlin v1.4.31 caused problems with race conditions described in #3509

The problem seems to be related with:
https://youtrack.jetbrains.com/issue/IDEA-261782

As a more general solution, Kotlin 1.4.32 should fix this:
https://youtrack.jetbrains.com/issue/KT-45007

[codecov]

Codecov Report

Merging #3521 (31a6692) into master (fe9c486) will increase coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #3521      +/-   ##
============================================
+ Coverage     77.59%   77.60%   +0.01%     
  Complexity     2817     2817              
============================================
  Files           462      462              
  Lines          8722     8722              
  Branches       1694     1694              
============================================
+ Hits           6768     6769       +1     
+ Misses         1038     1037       -1     
  Partials        916      916              

Impacted Files	Coverage Δ	Complexity Δ
...o/gitlab/arturbosch/detekt/rules/KtModifierList.kt	100.00% <0.00%> (+8.33%)	0.00% <0.00%> (ø%)

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