build(deps): bump org.mockito:mockito-core from 5.1.1 to 5.3.1

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.1.1 to 5.3.1.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.1.1...v5.3.1)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -95,7 +95,7 @@ dependencies {
     testImplementation 'commons-io:commons-io:2.11.0'
     testImplementation 'commons-lang:commons-lang:2.6'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.9.3'
-    testImplementation 'org.mockito:mockito-core:5.1.1'
+    testImplementation 'org.mockito:mockito-core:5.3.1'
     testImplementation 'com.github.seeseemelk:MockBukkit-v1.19:3.1.0'
     testImplementation 'org.assertj:assertj-core:3.24.2'
 }