fix: Downgrade maven-jar-plugin version (#22832)

Author: larshelge

dhis-2/dhis-api/src/main/java/org/hisp/dhis/user/User.java

@@ -97,8 +97,10 @@ public class User extends BaseIdentifiableObject implements MetadataObject {
   /** Required. Will be stored as a hash. */
   private String password;
 
+  /** 2FA secret. */
   private String secret;
 
+  /** Type of 2FA authentication. */
   private TwoFactorType twoFactorType;
 
   /** Date when password was changed. */
@@ -116,7 +118,7 @@ public class User extends BaseIdentifiableObject implements MetadataObject {
   /** List of previously used passwords. */
   private List<String> previousPasswords = new ArrayList<>();
 
-  /** Date of the user's last login. */
+  /** Date of last login of user account. */
   private Date lastLogin;
 
   /** The token used for a user account restore. Will be stored as a hash. */

dhis-2/pom.xml

@@ -243,7 +243,7 @@
     <maven-javadoc-plugin.version>3.11.2</maven-javadoc-plugin.version>
     <maven-antrun-plugin.version>3.1.0</maven-antrun-plugin.version>
     <maven-enforcer-plugin.version>3.6.1</maven-enforcer-plugin.version>
-    <maven-jar-plugin.version>3.5.0</maven-jar-plugin.version>
+    <maven-jar-plugin.version>3.4.2</maven-jar-plugin.version>
     <maven-dependency-plugin.version>3.8.1</maven-dependency-plugin.version>
     <restrict-imports-enforcer.version>2.6.1</restrict-imports-enforcer.version>
     <versions-maven-plugin.version>2.20.1</versions-maven-plugin.version>