Dependency updates

Gradle dependency
* Gradle wrapper: 5.3.0 -> 5.3.1
* com.github.ben-manes:gradle-versions-plugin:0.20.0 -> 0.21.0'
* com.puppycrawl.tools:checkstyle:8.15 -> 8.19
* spotbugs:spotbugs-gradle-plugin:1.6.6 -> spotbugs-gradle-plugin:1.7.1'
* gradle-git-properties:gradle-git-properties:1.5.2 -> 2.0.0
* gradle-lombok:1.14 -> 2.1
* dependency-management-plugin:1.0.6.RELEASE -> 1.0.7.RELEASE
* spring-boot-gradle-plugin:2.1.0.RELEASE -> 2.1.3.RELEASE

Library dependency
* Guava: 27.0.1-jre -> 27.1-jre
* Okhttp: 3.12.0 -> 3.14.0
* spring-boot-dependencies:2.1.1.RELEASE -> 2.1.3.RELEASE

Test/Compile time dependency
* assertj: 3.11.1 -> 3.12.1
* checkstyle: 8.15 -> 8.19
* lombok: 1.18.4 -> 1.18.6

Author: imasahiro

build.gradle

@@ -17,23 +17,23 @@
 // ./gradlew clean && ./gradlew uploadArchives -Prelease
 
 buildscript {
-    ext.kotlin_version = '1.3.20'
+    ext.kotlin_version = '1.3.21'
 
     repositories {
         mavenCentral()
         maven { url 'https://plugins.gradle.org/m2/' }
         maven { url 'https://repo.spring.io/plugins-release' }
     }
     dependencies {
-        classpath 'gradle.plugin.com.github.spotbugs:spotbugs-gradle-plugin:1.6.6'
-        classpath 'gradle.plugin.com.gorylenko.gradle-git-properties:gradle-git-properties:1.5.2'
-        classpath 'io.spring.gradle:dependency-management-plugin:1.0.6.RELEASE'
+        classpath 'com.github.ben-manes:gradle-versions-plugin:0.21.0'
+        classpath 'com.puppycrawl.tools:checkstyle:8.19'
+        classpath 'gradle.plugin.com.github.spotbugs:spotbugs-gradle-plugin:1.7.1'
+        classpath 'gradle.plugin.com.gorylenko.gradle-git-properties:gradle-git-properties:2.0.0'
+        classpath 'io.franzbecker:gradle-lombok:2.1'
+        classpath 'io.spring.gradle:dependency-management-plugin:1.0.7.RELEASE'
         classpath 'io.spring.gradle:propdeps-plugin:0.0.10.RELEASE'
-        classpath 'org.springframework.boot:spring-boot-gradle-plugin:2.1.0.RELEASE'
-        classpath 'io.franzbecker:gradle-lombok:1.14'
+        classpath 'org.springframework.boot:spring-boot-gradle-plugin:2.1.3.RELEASE'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.puppycrawl.tools:checkstyle:8.15'
-        classpath 'com.github.ben-manes:gradle-versions-plugin:0.20.0'
     }
 }
 
@@ -88,15 +88,15 @@ subprojects {
     group = rootProject.group
     version = rootProject.version
 
-    ext['guava.version'] = '27.0.1-jre'
-    ext['okhttp3.version'] = '3.12.0'
+    ext['guava.version'] = '27.1-jre'
+    ext['okhttp3.version'] = '3.14.0'
     ext['retrofit.version'] = '2.5.0'
 
     dependencyManagement {
         if (project.name != 'test-boot1-compatibility') {
             imports {
                 mavenBom 'io.spring.platform:platform-bom:Cairo-RELEASE'
-                mavenBom 'org.springframework.boot:spring-boot-dependencies:2.1.1.RELEASE'
+                mavenBom 'org.springframework.boot:spring-boot-dependencies:2.1.3.RELEASE'
             }
         }
 
@@ -108,8 +108,8 @@ subprojects {
                 entry 'converter-jackson'
                 entry 'retrofit'
             }
-            dependency 'org.assertj:assertj-core:3.11.1'
-            dependency 'org.projectlombok:lombok:1.18.4'
+            dependency 'org.assertj:assertj-core:3.12.1'
+            dependency 'org.projectlombok:lombok:1.18.6'
         }
     }
 
@@ -200,7 +200,7 @@ subprojects {
 
     checkstyle {
         configProperties = [projectDir: rootProject.projectDir]
-        toolVersion = '8.15'
+        toolVersion = '8.19'
     }
 
     spotbugs {

gradle/wrapper/gradle-wrapper.jar

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.0-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.3.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradle/wrapper/gradle-wrapper.properties

@@ -28,7 +28,7 @@ APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+DEFAULT_JVM_OPTS='"-Xmx64m"'
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"

gradlew

@@ -14,7 +14,7 @@ set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
+set DEFAULT_JVM_OPTS="-Xmx64m"
 
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome