fix(deps): update slf4j monorepo to v2

Author: renovate[bot]

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ java-baseline = '11'
 javax-annotation-api = '1.3.2'
 micronaut = '3.10.4'
 mongodb = '4.11.2'
-slf4j = '1.7.36'
+slf4j = '2.0.15'
 spock = '2.3-groovy-3.0'
 spring = '5.3.33'
 spring-boot = '2.7.18'