Bump mockito-core from 3.5.15 to 3.6.0

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.5.15 to 3.6.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.5.15...v3.6.0)

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

build.gradle

@@ -85,7 +85,7 @@ dependencies {
     compile group: 'javax.el', name: 'javax.el-api', version: '3.0.0'
     compile group: 'org.glassfish', name: 'javax.el', version: '3.0.0'
 
-    testCompile 'org.mockito:mockito-core:3.5.15'
+    testCompile 'org.mockito:mockito-core:3.6.0'
 
     testCompile("org.junit.jupiter:junit-jupiter-engine:5.7.0")
     testCompile("org.junit.platform:junit-platform-runner:1.7.0")