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

pom.xml

@@ -10,7 +10,7 @@
 
 	<groupId>org.liquibase.ext</groupId>
 	<artifactId>liquibase-filechangelog</artifactId>
-	<version>4.26.0</version>
+	<version>4.27.0-SNAPSHOT</version>
 
 	<name>Liquibase File Based Changelog Extension</name>
 	<description>Liquibase extension to use a local file rather than a database table to track executed changeSets</description>
@@ -20,7 +20,7 @@
         <connection>scm:git:${project.scm.url}</connection>
         <developerConnection>scm:git:${project.scm.url}</developerConnection>
 		<url>https://github.com/liquibase/liquibase-filechangelog.git</url>
-		<tag>liquibase-filechangelog-4.26.0</tag>
+		<tag>HEAD</tag>
 	</scm>
 
 	<properties>