fix(deps): update dependency org.apache.logging.log4j:log4j-api to v2.20.0 (#195)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -23,7 +23,7 @@ javapoet = "1.13.0"
 
 # Logging
 slf4j = "2.0.6"
-log4j = "2.19.0"
+log4j = "2.20.0"
 
 # Code safety
 annotations = "24.0.1"