Update pom.xml

pom.xml

@@ -3,12 +3,13 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>it.oats.inaf</groupId>
     <artifactId>vospace-datamodel</artifactId>
-    <version>0.0.2-SNAPSHOT</version>
+    <version>${revision}</version>
     <packaging>jar</packaging>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>14</maven.compiler.source>
         <maven.compiler.target>14</maven.compiler.target>
+        <revision>0.0.2-SNAPSHOT</revision>
         <finalName>${project.artifactId}-${project.version}</finalName>
     </properties>
     
@@ -85,4 +86,4 @@
             </plugin>
         </plugins>
     </build>
-</project>
\ No newline at end of file
+</project>