Merge pull request #2468 from codelibs/dependabot/maven/log4j.version-2.13.3

Bump log4j.version from 2.11.1 to 2.13.3

pom.xml

@@ -44,7 +44,7 @@
 
 		<!-- Partner Library -->
 		<slf4j.version>1.7.30</slf4j.version>
-		<log4j.version>2.11.1</log4j.version>
+		<log4j.version>2.13.3</log4j.version>
 		<jackson.version>2.10.4</jackson.version>
 		<commons.fileupload.version>1.4</commons.fileupload.version>
 		<asm.version>8.0.1</asm.version>