fix(ci/gradle): add dom4j proguard rules

Author: xz-dev

core-websdk/consumer-rules.pro

@@ -1,3 +1,13 @@
 ##---------------Begin: proguard configuration for GPlay API ----------
 -keep public class com.aurora.gplayapi.** { *; }
-##---------------End: proguard configuration for GPlay API ----------
+##---------------End: proguard configuration for GPlay API ----------
+
+##---------------Begin: proguard configuration for dom4j ----------
+-keep class org.dom4j.** { *; }
+-keep interface org.dom4j.** { *; }
+-keep class javax.xml.** { *; }
+-keep class org.w3c.** { *; }
+-keep class org.xml.** { *; }
+-keep class org.xmlpull.** { *; }
+-keep class org.jaxen.** { *; }
+##---------------End: proguard configuration for dom4j ----------