dependency: Update dependency ch.qos.logback:logback-classic to v1.5.20 (#203)

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

Author: renovate[bot]

build.gradle.kts

@@ -28,7 +28,7 @@ dependencies {
     implementation("net.dzikoysk:cdn:1.14.9")
 
     // slf4j setup
-    implementation("ch.qos.logback:logback-classic:1.5.19")
+    implementation("ch.qos.logback:logback-classic:1.5.20")
 
     // new modern fork of jda-utilities
     implementation("pw.chew:jda-chewtils-command:2.0-SNAPSHOT")