fix(deps): update dependency ch.qos.logback:logback-classic to v1.5.21

Author: renovate[bot]

build.gradle.kts

@@ -35,7 +35,7 @@ dependencies {
   implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:2.1.21")
   implementation("org.jetbrains.kotlin:kotlin-reflect:2.1.21")
   implementation("com.github.ben-manes.caffeine:caffeine:3.2.3")
-  implementation("ch.qos.logback:logback-classic:1.5.20")
+  implementation("ch.qos.logback:logback-classic:1.5.21")
   implementation("ch.qos.logback.contrib:logback-json-classic:0.1.5")
   implementation("de.gessnerfl.logback:logback-gson-formatter:0.1.0")
   implementation("io.github.microutils:kotlin-logging:3.0.5")