[maven-release-plugin] prepare release apache-parquet-format-2.12.0-rc0

Author: wgtmac

pom.xml

@@ -28,7 +28,7 @@
 
   <groupId>org.apache.parquet</groupId>
   <artifactId>parquet-format</artifactId>
-  <version>2.12.0-SNAPSHOT</version>
+  <version>2.12.0</version>
   <packaging>jar</packaging>
 
   <name>Apache Parquet Format</name>
@@ -39,7 +39,7 @@
     <connection>scm:git:git@github.com:apache/parquet-format.git</connection>
     <url>scm:git:git@github.com:apache/parquet-format.git</url>
     <developerConnection>scm:git:git@github.com:apache/parquet-format.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>apache-parquet-format-2.12.0-rc0</tag>
   </scm>
 
   <licenses>