chore: update slf4j version (#55)

Author: yhl25

pom.xml

@@ -26,6 +26,7 @@
         <grpc.version>1.50.2</grpc.version>
         <netty.version>4.1.79.Final</netty.version> <!-- match version grpc-netty depends on -->
         <akka.version>2.7.0</akka.version>
+        <slf4j.version>2.0.7</slf4j.version>
     </properties>
 
     <profiles>
@@ -177,12 +178,13 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.25</version>
+            <version>${slf4j.version}</version>
         </dependency>
+
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
-            <version>2.0.5</version>
+            <version>${slf4j.version}</version>
             <scope>test</scope>
         </dependency>