[maven-release-plugin] prepare release 2.21

pom.xml

@@ -1,6 +1,4 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
@@ -11,7 +9,7 @@
 
   <groupId>com.spotify.fmt</groupId>
   <artifactId>fmt-maven-plugin</artifactId>
-  <version>2.21-SNAPSHOT</version>
+  <version>2.21</version>
   <packaging>maven-plugin</packaging>
 
   <name>${project.groupId}:${project.artifactId}</name>
@@ -64,7 +62,7 @@
     <connection>scm:git:[email protected]:spotify/fmt-maven-plugin.git</connection>
     <developerConnection>scm:git:[email protected]:spotify/fmt-maven-plugin.git</developerConnection>
     <url>https://github.com/spotify/fmt-maven-plugin</url>
-    <tag>HEAD</tag>
+    <tag>2.21</tag>
   </scm>
 
   <distributionManagement>
@@ -83,7 +81,7 @@
     <maven.compiler.source>${maven.compiler.release}</maven.compiler.source>
     <maven.compiler.target>${maven.compiler.release}</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <project.build.outputTimestamp>1682579930</project.build.outputTimestamp>
+    <project.build.outputTimestamp>1695388515</project.build.outputTimestamp>
   </properties>
 
   <dependencies>