Replace trimMargin usages

[TWiStErRob]

Followup on #5819 (comment)

See individual commits.

[codecov]

Codecov Report

Merging #5827 (a6132ef) into main (ad0e793) will not change coverage.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##               main    #5827   +/-   ##
=========================================
  Coverage     84.59%   84.59%           
  Complexity     3790     3790           
=========================================
  Files           546      546           
  Lines         12918    12918           
  Branches       2268     2268           
=========================================
  Hits          10928    10928           
  Misses          861      861           
  Partials       1129     1129           

Impacted Files	Coverage Δ
...itlab/arturbosch/detekt/generator/DetektPrinter.kt	20.00% <0.00%> (ø)
...osch/detekt/rules/style/StringShouldBeRawString.kt	84.21% <ø> (ø)

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