Bump mockito-core from 3.2.0 to 3.2.4 (#5760)

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.2.0 to 3.2.4.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.2.0...v3.2.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build.gradle

@@ -214,7 +214,7 @@ dependencies {
     testCompile 'net.bytebuddy:byte-buddy-parent:1.10.5'
     testRuntime group: 'org.apache.logging.log4j', name: 'log4j-core', version: '3.0.0-SNAPSHOT'
     testRuntime group: 'org.apache.logging.log4j', name: 'log4j-jul', version: '3.0.0-SNAPSHOT'
-    testCompile 'org.mockito:mockito-core:3.2.0'
+    testCompile 'org.mockito:mockito-core:3.2.4'
     //testCompile 'com.github.tomakehurst:wiremock:2.24.1'
     testCompile 'org.xmlunit:xmlunit-core:2.6.3'
     testCompile 'org.xmlunit:xmlunit-matchers:2.6.3'