Update org.apache.logging.log4j:log4j-bom to version 3.0.0-beta3 (#222)

Author: asf-rm

log4j-samples-graalvm/pom.xml

@@ -60,7 +60,7 @@
     <json-org.version>20240303</json-org.version>
     <json-unit.version>3.4.1</json-unit.version>
     <junit.version>5.11.3</junit.version>
-    <log4j.version>2.25.0-SNAPSHOT</log4j.version>
+    <log4j.version>3.0.0-beta3</log4j.version>
     <logback.version>1.5.12</logback.version>
     <slf4j.version>2.0.16</slf4j.version>