[dist] Add jcommander back

This dependency is needed by pmd-designer 7.0.0-rc1, which is shipped with the distribution.

pmd-dist/pom.xml

@@ -173,6 +173,13 @@
             <artifactId>commons-lang3</artifactId>
         </dependency>
 
+        <!-- needed for pmd-designer 7.0.0-rc1 -->
+        <dependency>
+            <groupId>com.beust</groupId>
+            <artifactId>jcommander</artifactId>
+            <version>1.48</version>
+        </dependency>
+
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>