[maven-release-plugin] prepare release 1.4.0

Author: dedece35

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>io.ecocode</groupId>
     <artifactId>ecocode-python-plugin</artifactId>
-    <version>1.4.0-SNAPSHOT</version>
+    <version>1.4.0</version>
     <packaging>sonar-plugin</packaging>
 
     <name>ecoCode - Python language</name>
@@ -26,7 +26,7 @@
         <connection>scm:git:https://github.com/green-code-initiative/ecocode-python</connection>
         <developerConnection>scm:git:https://github.com/green-code-initiative/ecocode-python</developerConnection>
         <url>https://github.com/green-code-initiative/ecocode-python</url>
-        <tag>HEAD</tag>
+        <tag>1.4.0</tag>
     </scm>
     <issueManagement>
         <system>GitHub</system>