Replace stack.version by project.version

pom.xml

@@ -11,6 +11,12 @@
   <artifactId>vertx-mqtt</artifactId>
   <version>5.0.0-SNAPSHOT</version>
 
+  <scm>
+    <connection>scm:git:git@github.com:vert-x3/vertx-mqtt.git</connection>
+    <developerConnection>scm:git:git@github.com:vert-x3/vertx-mqtt.git</developerConnection>
+    <url>git@github.com:vert-x3/vertx-mqtt.git</url>
+  </scm>
+
   <developers>
     <developer>
       <name>Paolo Patierno</name>
@@ -21,7 +27,6 @@
   </developers>
 
   <properties>
-    <stack.version>5.0.0-SNAPSHOT</stack.version>
     <junit.version>4.13.1</junit.version>
     <mockito.version>3.3.3</mockito.version>
     <paho.version>1.2.5</paho.version>
@@ -34,7 +39,7 @@
       <dependency>
         <groupId>io.vertx</groupId>
         <artifactId>vertx-dependencies</artifactId>
-        <version>${stack.version}</version>
+        <version>${project.version}</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>