chore(deps): update plugin ktlint to v12

Author: renovate[bot]

gradle/libs.versions.toml

@@ -8,4 +8,4 @@ kotlinx-coroutines = "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3"
 [plugins]
 dokka = "org.jetbrains.dokka:1.9.10"
 kotlin-multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
-ktlint = "org.jlleitschuh.gradle.ktlint:11.6.1"
+ktlint = "org.jlleitschuh.gradle.ktlint:12.1.0"