fix(deps): update dependency org.slf4j:jul-to-slf4j to v2.0.15

Author: renovate[bot]

build.gradle

@@ -61,7 +61,7 @@ dependencies {
 	implementation "eu.esdihumboldt.hale:eu.esdihumboldt.hale.app.cli.commands:$haleVersion"
 	implementation "org.codehaus.groovy:groovy-all:$groovyVersion"
 	implementation 'org.json:json:20240303'
-	implementation 'org.slf4j:jul-to-slf4j:2.0.13'
+	implementation 'org.slf4j:jul-to-slf4j:2.0.15'
 	implementation 'org.apache.httpcomponents:httpmime:4.5.14'
 
 	//developmentOnly 'org.springframework.boot:spring-boot-docker-compose'