[maven-release-plugin] prepare release 0.30.0

Author: eclipse-lemminx-bot

org.eclipse.lemminx/pom.xml

@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.eclipse.lemminx</groupId>
 		<artifactId>lemminx-parent</artifactId>
-		<version>0.30.0-SNAPSHOT</version>
+		<version>0.30.0</version>
 	</parent>
 	<artifactId>org.eclipse.lemminx</artifactId>
 	<properties>

pom.xml

@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.eclipse.lemminx</groupId>
 	<artifactId>lemminx-parent</artifactId>
-	<version>0.30.0-SNAPSHOT</version>
+	<version>0.30.0</version>
 	<packaging>pom</packaging>
 	<name>Eclipse LemMinX</name>
 	<description>LemMinX is a XML Language Server Protocol (LSP), and can be used with any editor that supports LSP, to offer an outstanding XML editing experience</description>
@@ -23,7 +23,7 @@
 		<connection>scm:git:git@github.com:eclipse/lemminx.git</connection>
 		<developerConnection>scm:git:git@github.com:eclipse/lemminx.git</developerConnection>
 		<url>https://github.com/eclipse/lemminx</url>
-		<tag>HEAD</tag>
+		<tag>0.30.0</tag>
 	</scm>
 	<modules>
 		<module>org.eclipse.lemminx</module>