Update dependency com.pinterest.ktlint:ktlint-cli to v1.6.0

Author: renovate-bot

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 agp = "8.7.1"
 kotlin = "2.0.21"
-ktlint-cli = "1.4.0"
+ktlint-cli = "1.6.0"
 kotlinx-io = "0.5.4"
 maven-publish = "0.30.0"
 spotless = "6.25.0"