Update dependencies. (#154)

Author: vanniktech

build.gradle

@@ -6,20 +6,20 @@ buildscript {
   }
 
   dependencies {
-    classpath 'com.gradle.publish:plugin-publish-plugin:0.10.0'
-    classpath 'com.github.ben-manes:gradle-versions-plugin:0.17.0'
+    classpath 'com.gradle.publish:plugin-publish-plugin:0.10.1'
+    classpath 'com.github.ben-manes:gradle-versions-plugin:0.21.0'
     classpath 'com.vanniktech:gradle-android-junit-jacoco-plugin:0.11.0'
-    classpath 'com.vanniktech:gradle-maven-publish-plugin:0.6.0'
+    classpath 'com.vanniktech:gradle-maven-publish-plugin:0.8.0'
   }
 }
 
 apply plugin: 'groovy'
 apply plugin: 'java-library'
 apply plugin: 'java-gradle-plugin'
 apply plugin: 'com.github.ben-manes.versions'
-apply plugin: 'com.gradle.plugin-publish'
 apply plugin: 'com.vanniktech.android.junit.jacoco'
 apply plugin: "com.vanniktech.maven.publish"
+apply plugin: 'com.gradle.plugin-publish'
 
 gradlePlugin {
   plugins {
@@ -43,8 +43,8 @@ dependencies {
   compileOnly 'com.android.tools.build:gradle:3.4.0'
 
   testCompile 'com.android.tools.build:gradle:3.4.0'
-  testCompile 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.30'
-  testCompile 'junit:junit:4.12'
+  testCompile 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.31'
+  testCompile 'junit:junit:4.13-beta-2'
   testCompile 'org.spockframework:spock-core:1.1-groovy-2.4', { exclude module: "groovy-all" } // Use localGroovy()
 }
 
@@ -64,6 +64,6 @@ pluginBundle {
 }
 
 wrapper {
-  gradleVersion = '5.1.1'
+  gradleVersion = '5.4'
   distributionType = Wrapper.DistributionType.ALL
 }