fix(deps): update dependency org.slf4j:slf4j-simple to v2.0.15 (#2762)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -20,7 +20,7 @@ clikt = "com.github.ajalt.clikt:clikt:4.4.0"
 dokka = "org.jetbrains.dokka:dokka-gradle-plugin:1.9.20"
 ec4j = "org.ec4j.core:ec4j-core:0.3.0"
 logging = "io.github.oshai:kotlin-logging-jvm:7.0.0"
-slf4j = "org.slf4j:slf4j-simple:2.0.13"
+slf4j = "org.slf4j:slf4j-simple:2.0.15"
 poko = "dev.drewhamilton.poko:poko-gradle-plugin:0.16.0"
 # Use logback-classic as the logger for kotlin-logging / slf4j as it allow changing the log level at runtime.
 # TODO: Update "renovate.json" once logback-classic is updated to 1.4 (once java8 support for ktlint is dropped)