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

Author: renovate[bot]

build.gradle

@@ -30,7 +30,7 @@ configure(srcProjects()) {
   }
 
   ext {
-    logbackVersion = '1.5.20'
+    logbackVersion = '1.5.21'
     slf4jVersion = '2.0.17'
     jacksonVersion = '2.17.3'
   }