[maven-release-plugin] prepare release v3.0.1

pom.xml

@@ -13,13 +13,12 @@
   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/maven-v4_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/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.uber</groupId>
     <artifactId>h3</artifactId>
     <packaging>jar</packaging>
-    <version>3.0.1-SNAPSHOT</version>
+    <version>3.0.1</version>
     <name>h3</name>
     <url>https://github.com/uber/h3-java</url>
     <description>Java bindings for H3, a hierarchical hexagonal geospatial indexing system.</description>
@@ -41,7 +40,8 @@
         <connection>scm:git:git://github.com/uber/h3-java.git</connection>
         <developerConnection>scm:git:ssh://git@github.com/uber/h3-java.git</developerConnection>
         <url>http://github.com/uber/h3-java/tree/master</url>
-    </scm>
+      <tag>v3.0.1</tag>
+  </scm>
 
     <developers>
         <developer>