Add workaround to get tagged version in GitHub workflow script

.github/workflows/jar.yaml

@@ -16,7 +16,7 @@ jobs:
       run: sudo apt install default-jdk
 
     - name: Set env
-      run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+      run: echo "RELEASE_VERSION=`echo $(git describe --tags --abbrev=0)`" >> $GITHUB_ENV
 
     - name: Build
       run: PKG_VER_TAG=$RELEASE_VERSION ./build.sh host-jar "release"

examples/java/Example.java

@@ -1,10 +1,9 @@
 import com.zerotier.sockets.*;
-
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.math.BigInteger;
-import java.net.InetAddress;
 import java.net.DatagramPacket;
+import java.net.InetAddress;
 
 public class selftest {
     public static void main(String[] args)