[maven-release-plugin] prepare for next development iteration

pom.xml

@@ -27,7 +27,7 @@
   </parent>
 
   <artifactId>maven-script-interpreter</artifactId>
-  <version>1.3</version>
+  <version>1.4-SNAPSHOT</version>
 
   <name>Apache Maven Script Interpreter</name>
   <description>This component provides some utilities to interpret/execute some scripts for various implementations: groovy or beanshell.</description>
@@ -36,7 +36,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/maven-script-interpreter.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven-script-interpreter.git</developerConnection>
     <url>https://github.com/apache/maven-script-interpreter/tree/${project.scm.tag}</url>
-    <tag>maven-script-interpreter-1.3</tag>
+    <tag>HEAD</tag>
   </scm>
   <issueManagement>
     <system>jira</system>
@@ -55,7 +55,7 @@
 
   <properties>
     <javaVersion>7</javaVersion>
-    <project.build.outputTimestamp>2020-10-14T23:59:40Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2020-10-15T00:00:05Z</project.build.outputTimestamp>
     <slf4j.version>1.7.30</slf4j.version>
     <checkstyle.violation.ignore>None</checkstyle.violation.ignore>
   </properties>