Update current version to 7.15.0.Final

Persistence marshaller refactor.

Signed-off-by: fjtirado <ftirados@redhat.com>

Author: fjtirado

.github/project.yml

@@ -1,3 +1,3 @@
 release:
-  current-version: 7.14.1.Final
+  current-version: 7.15.0.Final
   next-version: 8.0.0-SNAPSHOT

experimental/model/src/test/java/io/serverlessworkflow/impl/model/func/JavaModelSerializationTest.java

@@ -23,13 +23,12 @@
 import io.serverlessworkflow.impl.marshaller.WorkflowOutputBuffer;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
-import java.io.IOException;
 import org.junit.jupiter.api.Test;
 
 class JavaModelSerializationTest {
 
   @Test
-  void testSerializableJavaModel() throws IOException {
+  void testSerializableJavaModel() {
     testMarshallUnMarshall(
         new JavaModel(new Person("Pepe Gotera", 32, new Address("Rue del Percebe", 13))));
   }

impl/model/src/test/java/io/serverlessworkflow/impl/model/jackson/JacksonModelSerializationTest.java

@@ -24,18 +24,17 @@
 import io.serverlessworkflow.impl.marshaller.WorkflowOutputBuffer;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
-import java.io.IOException;
 import org.junit.jupiter.api.Test;
 
 class JacksonModelSerializationTest {
 
   @Test
-  void testObject() throws IOException {
+  void testObject() {
     testMarshallUnMarshall(new Employee("Mortadelo", "TIA"));
   }
 
   @Test
-  void testModel() throws IOException {
+  void testModel() {
     testMarshallUnMarshall(
         new JacksonModel(JsonUtils.mapper().createObjectNode().put("Mortadelo", "TIA")));
   }