Build the XPath lexer with 4.4.1-opt

Author: sharwell

runtime/Java/pom.xml

@@ -119,7 +119,7 @@
             <plugin>
                 <groupId>com.tunnelvisionlabs</groupId>
                 <artifactId>antlr4-maven-plugin</artifactId>
-                <version>4.2.2</version>
+                <version>4.4.1</version>
                 <configuration>
                     <sourceDirectory>src</sourceDirectory>
                 </configuration>