HADOOP-19360. Disable releases for apache.snapshots repo (#7218)

pom.xml

@@ -56,6 +56,9 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/x
       <id>${distMgmtSnapshotsId}</id>
       <name>${distMgmtSnapshotsName}</name>
       <url>${distMgmtSnapshotsUrl}</url>
+      <releases>
+        <enabled>false</enabled>
+      </releases>
     </repository>
     <repository>
       <id>repository.jboss.org</id>