Upgrade to SLF4J 2.0.16

Closes gh-41774

Author: snicoll

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -1535,7 +1535,7 @@ bom {
 			]
 		}
 	}
-	library("SLF4J", "2.0.13") {
+	library("SLF4J", "2.0.16") {
 		group("org.slf4j") {
 			modules = [
 				"jcl-over-slf4j",