[maven-release-plugin] prepare branch branch-4.12
diff --git a/bookkeeper-http/servlet-http-server/pom.xml b/bookkeeper-http/servlet-http-server/pom.xml
index eba74e7..9865aa5 100644
--- a/bookkeeper-http/servlet-http-server/pom.xml
+++ b/bookkeeper-http/servlet-http-server/pom.xml
@@ -15,9 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<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">
     <parent>
         <artifactId>bookkeeper</artifactId>
         <groupId>org.apache.bookkeeper</groupId>
diff --git a/pom.xml b/pom.xml
index 441b4e3..8d91b10 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
     <connection>scm:git:https://github.com/apache/bookkeeper.git</connection>
     <developerConnection>scm:git:https://github.com/apache/bookkeeper.git</developerConnection>
     <url>https://github.com/apache/bookkeeper</url>
-    <tag>HEAD</tag>
+    <tag>branch-4.12</tag>
   </scm>
   <issueManagement>
     <system>JIRA</system>