setup: update project setup and build

build.gradle

@@ -9,7 +9,7 @@ buildscript {
 
 plugins {
     id 'java'
-    id 'com.google.protobuf' version '0.8.13'
+    id 'com.google.protobuf' version '0.9.1'
     id 'com.github.johnrengelman.shadow' version '6.0.0'
 }
 
@@ -18,7 +18,7 @@ version 'dev-200922.1278255c'
 
 sourceCompatibility = JavaVersion.VERSION_1_8
 
-def grpc_java_version = '1.32.1'
+def grpc_java_version = '1.41.0'
 def junit_version = '5.7.0'
 
 tasks.withType(JavaCompile) {
@@ -43,7 +43,7 @@ test {
 
 javadoc {
     source = sourceSets.main.allJava
-    classpath = configurations.compile
+    classpath = configurations.runtimeClasspath
     options {
         encoding 'UTF-8'
         charSet 'UTF-8'
@@ -75,13 +75,13 @@ repositories {
 }
 
 dependencies {
-    compile 'io.grpc:grpc-netty-shaded:' + grpc_java_version
-    compile 'io.grpc:grpc-protobuf:' + grpc_java_version
-    compile 'io.grpc:grpc-stub:' + grpc_java_version
+    implementation 'io.grpc:grpc-netty-shaded:' + grpc_java_version
+    implementation 'io.grpc:grpc-protobuf:' + grpc_java_version
+    implementation 'io.grpc:grpc-stub:' + grpc_java_version
     if (JavaVersion.current().isJava9Compatible()) {
         // Workaround for @javax.annotation.Generated
         // see: https://github.com/grpc/grpc-java/issues/3633
-        compile 'javax.annotation:javax.annotation-api:1.3.2'
+        implementation 'javax.annotation:javax.annotation-api:1.3.2'
     }
     testImplementation 'org.junit.jupiter:junit-jupiter-api:' + junit_version
     testImplementation 'org.junit.jupiter:junit-jupiter-params:' + junit_version