[maven-release-plugin] prepare release v5.2.1

pom.xml

@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>io.github.boostchicken</groupId>
     <artifactId>spring-data-dynamodb</artifactId>
-    <version>5.2.1-SNAPSHOT</version>
+    <version>5.2.1</version>
     <name>Spring Data DynamoDB</name>
     <inceptionYear>2018</inceptionYear>
 
@@ -371,20 +371,7 @@
                         </execution>
                 </executions>
             </plugin>
-            <plugin>
-                <groupId>net.revelc.code.formatter</groupId>
-                <artifactId>formatter-maven-plugin</artifactId>
-                <configuration>
-                    <configFile>${project.basedir}/eclipse-formatter-config.xml</configFile>
-                </configuration>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>validate</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
+
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
@@ -507,7 +494,7 @@
         <url>https://github.com/boostchicken/spring-data-dynamodb</url>
         <connection>scm:git:ssh://github.com/boostchicken/spring-data-dynamodb.git</connection>
         <developerConnection>scm:git:ssh://[email protected]/boostchicken/spring-data-dynamodb.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>v5.2.1</tag>
   </scm>
 
     <repositories>