Update dependency io.gitlab.arturbosch.detekt:detekt-gradle-plugin to v1.21.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ blueprintConfiguration = "1.0.0-SNAPSHOT"
 blueprintDependency = "1.0.0-SNAPSHOT"
 blueprintTools = "1.0.0-SNAPSHOT"
 decompose = "0.8.0"
-detekt = "1.19.0"
+detekt = "1.21.0"
 gitVersion = "0.12.6"
 gradleVersionCatalogUpdate = "0.2.2"
 gradleVersionUpdate = "0.41.0"