Upgrade from gradle 4.10 to gradle 5.0

Update spotbugs plugin.

build.gradle

@@ -6,7 +6,7 @@ buildscript {
     }
   }
   dependencies {
-    classpath "gradle.plugin.com.github.spotbugs:spotbugs-gradle-plugin:1.6.3"
+    classpath "gradle.plugin.com.github.spotbugs:spotbugs-gradle-plugin:1.7.1"
   }
 }
 
@@ -65,6 +65,7 @@ configure(useCaseApplications) {
       implementation('org.industrial-devops:titan-ccp-common:0.1.0-SNAPSHOT') { changing = true }
       implementation('org.industrial-devops:titan-ccp-common-kafka:0.1.0-SNAPSHOT') { changing = true }
       implementation 'org.apache.kafka:kafka-streams:2.6.0' // enable TransformerSuppliers
+      implementation 'com.google.code.gson:gson:2.8.2'
       implementation 'com.google.guava:guava:24.1-jre'
       implementation 'org.jctools:jctools-core:2.1.1'
       implementation 'org.slf4j:slf4j-simple:1.7.25'

gradle/wrapper/gradle-wrapper.properties

 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.0-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists