Merge pull request #157 from gocd-contrib/dependabot/gradle/org.mockito-mockito-core-3.8.0

Bump mockito-core from 3.2.4 to 3.8.0

Author: kritika-singh3

build.gradle

@@ -57,7 +57,7 @@ dependencies {
 
     testCompile group: 'cd.go.plugin', name: 'go-plugin-api', version: '17.4.0'
     testCompile group: 'junit', name: 'junit', version: '4.13.2'
-    testCompile group: 'org.mockito', name: 'mockito-core', version: '3.2.4'
+    testCompile group: 'org.mockito', name: 'mockito-core', version: '3.8.0'
     testCompile group: 'org.hamcrest', name: 'hamcrest-library', version: '2.2'
     testCompile group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.0'
     testCompile group: 'org.jsoup', name: 'jsoup', version: '1.12.2'