fix: upgrade org.jfree:jfreechart from 1.5.1 to 1.5.3 (#420)

Snyk has created this PR to upgrade org.jfree:jfreechart from 1.5.1 to 1.5.3.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.jfree/jfreechart/

See this project in Snyk:
https://app.snyk.io/org/neqsim/project/86e71bb0-950f-445f-94e7-32e73d92cca3?utm_source=github&utm_medium=referral&page=upgrade-pr

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

pom.xml

@@ -88,7 +88,7 @@
 		<dependency>
 			<groupId>org.jfree</groupId>
 			<artifactId>jfreechart</artifactId>
-			<version>1.5.1</version>
+			<version>1.5.3</version>
 		</dependency>
 		<dependency>
 			<groupId>com.googlecode.matrix-toolkits-java</groupId>