Bump mockito-core from 3.5.7 to 3.5.11 in /core (#3250)

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.5.7 to 3.5.11.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.5.7...v3.5.11)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

core/build.gradle

@@ -205,7 +205,7 @@ dependencies {
     testCompile 'com.rabbitmq:amqp-client:5.9.0'
     testCompile 'org.mongodb:mongo-java-driver:3.12.7'
 
-    testCompile ('org.mockito:mockito-core:3.5.7') {
+    testCompile ('org.mockito:mockito-core:3.5.11') {
         exclude(module: 'hamcrest-core')
     }
     // Synthetic JAR used for MountableFileTest and DirectoryTarResourceTest