change freemarker version to 2.3.28

Author: carlosthe19916

pom.xml

@@ -86,7 +86,7 @@
         <dependency>
             <groupId>org.freemarker</groupId>
             <artifactId>freemarker</artifactId>
-            <version>2.3.30</version>
+            <version>2.3.28</version>
         </dependency>
         <dependency>
             <groupId>org.hibernate</groupId>

src/main/java/io/github/project/openubl/xmlbuilderlib/freemarker/FreemarkerGlobalConfiguration.java

@@ -25,7 +25,7 @@ public class FreemarkerGlobalConfiguration {
     private Configuration configuration;
 
     private FreemarkerGlobalConfiguration() {
-        configuration = new Configuration(Configuration.VERSION_2_3_30);
+        configuration = new Configuration(Configuration.VERSION_2_3_28);
         configuration.setClassForTemplateLoading(FreemarkerGlobalConfiguration.class, "/");
     }