#2051 - Upgrade to Slf4j 2.0.9.

Author: odrotbohm

pom.xml

@@ -82,7 +82,7 @@
 		<junit.version>5.10.1</junit.version>
 		<lombok.version>1.18.30</lombok.version>
 		<reactor-bom.version>2023.0.0</reactor-bom.version>
-		<slf4j.version>2.0.7</slf4j.version>
+		<slf4j.version>2.0.9</slf4j.version>
 		<spring.version>6.1.0-RC1</spring.version>
 		<spring-plugin.version>3.0.0</spring-plugin.version>
 		<kotlin.version>1.9.20</kotlin.version>