Upgrade maven-shade-plugin to 3.2.4

Author: raunaqmorarka

pom.xml

@@ -654,7 +654,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>2.3</version>
+                <version>3.2.4</version>
                 <executions>
                     <execution>
                         <phase>package</phase>