Bump log4j.version from 2.5 to 2.13.3

Bumps `log4j.version` from 2.5 to 2.13.3.

Updates `log4j-slf4j-impl` from 2.5 to 2.13.3

Updates `log4j-api` from 2.5 to 2.13.3

Updates `log4j-core` from 2.5 to 2.13.3

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -43,7 +43,7 @@
 		<project.build.targetEncoding>UTF-8</project.build.targetEncoding>
 		<scala.version>2.11</scala.version>
 		<slf4j.version>1.7.20</slf4j.version>
-		<log4j.version>2.5</log4j.version>
+		<log4j.version>2.13.3</log4j.version>
 		<biojava.version>5.0.0-alpha6</biojava.version>
 		<mmtf-spark.version>0.0.6</mmtf-spark.version>
 		<additionalparam>-Xdoclint:none</additionalparam>