Bump org.mockito:mockito-core from 5.3.0 to 5.7.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.3.0 to 5.7.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.3.0...v5.7.0)

---
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

@@ -448,7 +448,7 @@ dependencies {
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.9.3'
 
     // For mocking features during unit tests
-    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.3.0'
+    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.7.0'
 
     // flexmark markdown parsing / conversion
     implementation 'com.vladsch.flexmark:flexmark-all:0.64.0'