chore: log4j update

This commit replaces the deprecated createLogger-API with the use of an
builder.

Author: SebastianKuxhaus

build.gradle

@@ -13,7 +13,7 @@ subprojects {
     ext {
         junitVersion   = '5.8.2'  // https://search.maven.org/artifact/org.junit.jupiter/junit-jupiter-api
         logbackVersion = '1.3.7'  // https://search.maven.org/artifact/ch.qos.logback/logback-core
-        log4j2Version  = '2.17.1' // https://search.maven.org/artifact/org.apache.logging.log4j/log4j-core
+        log4j2Version  = '2.20.0' // https://search.maven.org/artifact/org.apache.logging.log4j/log4j-core
         slf4jVersion   = '2.0.7'  // https://search.maven.org/artifact/org.slf4j/slf4j-api
     }
 

logunit-log4j2/src/main/java/io/github/netmikey/logunit/log4j2/Log4j2LogProvider.java

@@ -81,7 +81,13 @@ private void createLoggerAndAddAppender(String loggerName, Level level) {
         Configuration cfg = ctx.getConfiguration();
         AppenderRef ref = AppenderRef.createAppenderRef(listAppender.getName(), null, null);
         AppenderRef[] refs = new AppenderRef[] { ref };
-        LoggerConfig loggerConfig = LoggerConfig.createLogger(true, level, loggerName, "true", refs, null, cfg, null);
+        LoggerConfig loggerConfig = LoggerConfig.newBuilder()
+            .withAdditivity(true)
+            .withLevel(level)
+            .withLoggerName(loggerName)
+            .withIncludeLocation("true")
+            .withRefs(refs).withConfig(cfg)
+            .build();
         loggerConfig.addAppender(listAppender, level, null);
         cfg.addLogger(loggerConfig.getName(), loggerConfig);
     }