Bump detekt-gradle-plugin from 1.1.1 to 1.2.0

Bumps detekt-gradle-plugin from 1.1.1 to 1.2.0.

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build.gradle

@@ -26,7 +26,7 @@ buildscript {
         }
         classpath 'gradle.plugin.com.github.spotbugs:spotbugs-gradle-plugin:1.6.6'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.1.1"
+        classpath "io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.2.0"
     }
 }