upgrade lombok version to 1.18.4

Author: wenweihu86

raft-java-core/pom.xml

@@ -132,7 +132,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.16.18</version>
+            <version>1.18.4</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>

raft-java-example/deploy.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+cd ../raft-java-core && mvn clean install -DskipTests
+cd -
 mvn clean package
 
 EXAMPLE_TAR=raft-java-example-1.9.0-deploy.tar.gz