fix: upgrade org.dom4j:dom4j from 2.1.4 to 2.2.0

Snyk has created this PR to upgrade org.dom4j:dom4j from 2.1.4 to 2.2.0.

See this package in maven:
org.dom4j:dom4j

See this project in Snyk:
https://app.snyk.io/org/quickfix-j/project/49dc9b33-0e4f-4ffc-9388-4795d68fe877?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

pom.xml

@@ -235,7 +235,7 @@
 				<!-- used by dictgenerator package -->
 				<groupId>org.dom4j</groupId>
 				<artifactId>dom4j</artifactId>
-				<version>2.1.4</version>
+				<version>2.2.0</version>
 				<optional>true</optional>
 			</dependency>
 			<dependency>