updates version to v5.0.0

Author: sdiakovskyi-gd

README.md

@@ -66,7 +66,7 @@ Add the following in your `pom.xml`
         <dependency>
             <groupId>com.mailjet</groupId>
             <artifactId>mailjet-client</artifactId>
-            <version>4.6.0</version>
+            <version>5.0.0</version>
         </dependency>
     </dependencies>
 ```

pom.xml

@@ -6,7 +6,7 @@
     <!--General configuration -->
     <groupId>com.mailjet</groupId>
     <artifactId>mailjet-client</artifactId>
-    <version>4.6.0</version>
+    <version>5.0.0</version>
     <packaging>jar</packaging>
     <name>Mailjet Client</name>
     <description>A Mailjet API Client</description>
@@ -27,7 +27,7 @@
         <connection>scm:git:https://github.com/mailjet/mailjet-apiv3-java.git</connection>
         <developerConnection>scm:git:https://github.com/mailjet/mailjet-apiv3-java.git</developerConnection>
         <url>git@github.com:mailjet/mailjet-apiv3-java.git</url>
-        <tag>mailjet-client-4.6.0</tag>
+        <tag>mailjet-client-5.0.0</tag>
     </scm>
     <!--License-->
     <licenses>

src/main/java/com/mailjet/client/MailjetClient.java

@@ -35,7 +35,7 @@ public class MailjetClient {
     private ClientOptions _options;
     private OkHttpClient _client;
 
-    private static final String userAgent = "mailjet-apiv3-java/v4.6.0";
+    private static final String userAgent = "mailjet-apiv3-java/v5.0.0";
 
     /**
      * Deprecated - please, use MailjetClient(ClientOptions clientOptions) ctor instead