build(deps): Bump org.mockito:mockito-core from 5.10.0 to 5.13.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.10.0 to 5.13.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.10.0...v5.13.0)

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

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

build.gradle.kts

@@ -26,7 +26,7 @@ dependencies {
   implementation("com.github.twitch4j:twitch4j:1.21.0")
 
   testImplementation("com.google.truth:truth:1.4.2")
-  testImplementation("org.mockito:mockito-core:5.10.0")
+  testImplementation("org.mockito:mockito-core:5.13.0")
   testImplementation("org.junit.jupiter:junit-jupiter-api:5.10.0")
   testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.10.0")
 }