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

pom.xml

@@ -27,7 +27,7 @@
   </parent>
 
   <artifactId>mybatis-spring</artifactId>
-  <version>3.0.3</version>
+  <version>3.0.4-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>mybatis-spring</name>
@@ -79,7 +79,7 @@
   <scm>
     <connection>scm:git:ssh://[email protected]/mybatis/spring.git</connection>
     <developerConnection>scm:git:ssh://[email protected]/mybatis/spring.git</developerConnection>
-    <tag>mybatis-spring-3.0.3</tag>
+    <tag>HEAD</tag>
     <url>http://github.com/mybatis/spring</url>
   </scm>
   <issueManagement>
@@ -118,7 +118,7 @@
     <junit.version>5.10.1</junit.version>
 
     <!-- Reproducible Builds -->
-    <project.build.outputTimestamp>1700476303</project.build.outputTimestamp>
+    <project.build.outputTimestamp>1700476361</project.build.outputTimestamp>
 
     <!-- Set byte buddy to experimental -->
     <net.bytebuddy.experimental>true</net.bytebuddy.experimental>