Bump org.mockito:mockito-core from 5.19.0 to 5.20.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.19.0 to 5.20.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.19.0...v5.20.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-version: 5.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

application/build.gradle

@@ -80,7 +80,7 @@ dependencies {
     implementation 'org.apache.commons:commons-text:1.14.0'
     implementation 'com.apptasticsoftware:rssreader:3.10.0'
 
-    testImplementation 'org.mockito:mockito-core:5.19.0'
+    testImplementation 'org.mockito:mockito-core:5.20.0'
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junitVersion"
     testImplementation "org.junit.jupiter:junit-jupiter-params:$junitVersion"
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'