Update dependency ch.qos.logback:logback-classic to v1.4.9

Author: renovate[bot]

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ jda = "5.0.0-beta.4"
 chewtils = "c2bfe64"
 guava = "31.1-jre"
 gson = "2.10.1"
-logback = "1.2.11"
+logback = "1.4.9"
 nightconfig = "3.6.6"
 sqlite = "3.40.0.0"
 flyway = "9.21.1"