Merge pull request #206 from metanorma/dependabot/maven/xalan-xalan-2…

….7.3

Bump xalan from 2.7.2 to 2.7.3

pom.xml

@@ -185,7 +185,12 @@
 		<dependency>
 			<groupId>xalan</groupId>
 			<artifactId>xalan</artifactId>
-			<version>2.7.2</version>
+			<version>2.7.3</version>
+		</dependency>
+		<dependency>
+			<groupId>xalan</groupId>
+			<artifactId>serializer</artifactId>
+			<version>2.7.3</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/junit/junit -->
 		<dependency>