Upgrade to Gradle 6.8.2

[chao2zhang]

Release notes: https://docs.gradle.org/6.8.2/release-notes.html

[codecov]

Codecov Report

Merging #3468 (cab2097) into master (fab88df) will decrease coverage by 0.00%.
The diff coverage is 73.68%.

@@             Coverage Diff              @@
##             master    #3468      +/-   ##
============================================
- Coverage     80.28%   80.28%   -0.01%     
+ Complexity     2785     2784       -1     
============================================
  Files           454      454              
  Lines          8415     8414       -1     
  Branches       1609     1608       -1     
============================================
- Hits           6756     6755       -1     
- Misses          787      789       +2     
+ Partials        872      870       -2     

Impacted Files	Coverage Δ	Complexity Δ
...ab/arturbosch/detekt/cli/DetektProgressListener.kt	83.33% <ø> (ø)	4.00 <0.00> (ø)
...io/gitlab/arturbosch/detekt/core/KtFileModifier.kt	0.00% <ø> (ø)	0.00 <0.00> (ø)
...hub/detekt/metrics/processors/AbstractProcessor.kt	83.33% <ø> (ø)	3.00 <0.00> (ø)
...trics/processors/AbstractProjectMetricProcessor.kt	83.33% <ø> (ø)	3.00 <0.00> (ø)
...detekt/metrics/processors/PackageCountProcessor.kt	91.66% <ø> (ø)	3.00 <0.00> (ø)
...ain/kotlin/io/github/detekt/metrics/LinesOfCode.kt	87.50% <50.00%> (-5.61%)	0.00 <0.00> (ø)
...h/detekt/rules/style/MultilineLambdaItParameter.kt	85.71% <80.00%> (-5.96%)	9.00 <2.00> (+3.00)	⬇️
...bosch/detekt/rules/complexity/MethodOverloading.kt	92.85% <0.00%> (+1.19%)	4.00% <0.00%> (-1.00%)	⬆️
...s/exceptions/ThrowingNewInstanceOfSameException.kt	55.55% <0.00%> (+5.55%)	4.00% <0.00%> (-3.00%)	⬆️

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