Bump mockito-core from 2.23.4 to 2.24.0 in /core (#1210)

Bumps [mockito-core](https://github.com/mockito/mockito) from 2.23.4 to 2.24.0.
<details>
<summary>Commits</summary>

- [`aacacb1`](mockito/mockito@aacacb1) 2.24.0 release (previous 2.23.20) + release notes updated by CI build 3859
- [`e4c5df7`](mockito/mockito@e4c5df7) [ci maven-central-release] Release 2.24.0
- [`5de598c`](mockito/mockito@5de598c) 2.23.20 release (previous 2.23.19) + release notes updated by CI build 3857
- [`4affa66`](mockito/mockito@4affa66) Fixes [#1578](https://github-redirect.dependabot.com/mockito/mockito/issues/1578): handle multiple invocations on MockitoSession ([#1596](https://github-redirect.dependabot.com/mockito/mockito/issues/1596))
- [`7a64410`](mockito/mockito@7a64410) 2.23.19 release (previous 2.23.18) + release notes updated by CI build 3854
- [`074c06d`](mockito/mockito@074c06d) Allow mockito-logger configurable as Mockito extension ([#1430](https://github-redirect.dependabot.com/mockito/mockito/issues/1430))
- [`dad3ef7`](mockito/mockito@dad3ef7) 2.23.18 release (previous 2.23.17) + release notes updated by CI build 3851
- [`00cc06b`](mockito/mockito@00cc06b) Fix [#1584](https://github-redirect.dependabot.com/mockito/mockito/issues/1584) create a MultipleParentClassLoader with also classloaders of supert...
- [`738b562`](mockito/mockito@738b562) 2.23.17 release (previous 2.23.16) + release notes updated by CI build 3846
- [`3108ff1`](mockito/mockito@3108ff1) Merge branch 'module-fix' into release/2.x
- Additional commits viewable in [compare view](mockito/mockito@v2.23.4...v2.24.0)
</details>
<br />

[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=org.mockito:mockito-core&package-manager=gradle&previous-version=2.23.4&new-version=2.24.0)](https://dependabot.com/compatibility-score.html?dependency-name=org.mockito:mockito-core&package-manager=gradle&previous-version=2.23.4&new-version=2.24.0)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot ignore this [patch|minor|major] version` will close this PR and stop Dependabot creating any more for this minor/major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
- `@dependabot badge me` will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in the `.dependabot/config.yml` file in this repo:
- Update frequency (including time of day and day of week)
- Automerge options (never/patch/minor, and dev/runtime dependencies)
- Pull request limits (per update run and/or open at any time)
- Out-of-range updates (receive only lockfile updates, if desired)
- Security updates (receive only security updates, if desired)

Finally, you can contact us by mentioning @dependabot.

</details>

core/build.gradle

@@ -120,7 +120,7 @@ dependencies {
     testCompile 'redis.clients:jedis:3.0.1'
     testCompile 'com.rabbitmq:amqp-client:5.6.0'
     testCompile 'org.mongodb:mongo-java-driver:3.9.1'
-    testCompile ('org.mockito:mockito-core:2.23.4') {
+    testCompile ('org.mockito:mockito-core:2.24.0') {
         exclude(module: 'hamcrest-core')
     }
     // Synthetic JAR used for MountableFileTest and DirectoryTarResourceTest