Revert "Bump org.mockito:mockito-core from 5.11.0 to 5.12.0 (#1110)"

This reverts commit a2ad5ce.

Author: SquidXTV

application/build.gradle

@@ -80,7 +80,7 @@ dependencies {
     implementation 'org.apache.commons:commons-text:1.12.0'
     implementation 'com.apptasticsoftware:rssreader:3.6.0'
 
-    testImplementation 'org.mockito:mockito-core:5.12.0'
+    testImplementation 'org.mockito:mockito-core:5.11.0'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.0'
     testImplementation 'org.junit.jupiter:junit-jupiter-params:5.10.0'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'