Update slf4j monorepo to v2.0.16 (#73)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ junit = "5.10.2"
 junixSocket = "2.9.1"
 logback = "1.5.12"
 picocli = "4.7.6"
-slf4j = "2.0.13"
+slf4j = "2.0.16"
 toStringVerifier = "1.4.8"
 
 [libraries]