XIVY-16826 downgrade SFL4J to version 1.7.36 to comply with Maven 3.9

Author: ivy-rew

pom.xml

@@ -41,7 +41,7 @@
   <properties>
     <java.version>21</java.version>
     <maven.version>3.9.9</maven.version>
-    <slf4j.version>2.0.13</slf4j.version>
+    <slf4j.version>1.7.36</slf4j.version>
     <junit-jupiter.version>5.12.2</junit-jupiter.version>
     <site.path>snapshot</site.path>
     <other.site.path>release</other.site.path>

src/main/java/ch/ivyteam/ivy/maven/engine/Slf4jSimpleEngineProperties.java

@@ -20,7 +20,7 @@
 import java.util.Arrays;
 import java.util.List;
 
-import org.slf4j.simple.SimpleLogger;
+import org.slf4j.impl.SimpleLogger;
 
 /**
  * Sets the logging properties for the ivy engine.
@@ -105,7 +105,7 @@ private static void setDefaultProperty(String property, String value) {
   }
 
   /**
-   * Valid levels as documented in {@link org.slf4j.simple.SimpleLogger}
+   * Valid levels as documented in {@link SimpleLogger}
    */
   interface Level {
     String TRACE = "trace";

src/test/java/ch/ivyteam/ivy/maven/TestSlf4jWarningConfiguration.java

@@ -9,7 +9,7 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.slf4j.LoggerFactory;
-import org.slf4j.simple.SimpleLogger;
+import org.slf4j.impl.SimpleLogger;
 
 import ch.ivyteam.ivy.maven.engine.Slf4jSimpleEngineProperties;