chore(deps): Update slf4j monorepo to v2

Author: renovate[bot]

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ cloudSponge = "2.0.0-SNAPSHOT"
 configurate = "4.1.2"
 typesafeConfig = "1.4.3"
 checkerQual = "3.46.0"
-slf4j = "1.7.32"
+slf4j = "2.0.16"
 log4jSlf4jImpl = "2.8.1"
 gson = "2.8.0"
 guava = "21.0"