Bump mockito-core from 3.12.0 to 3.12.1 (#123)

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.12.0 to 3.12.1.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.12.0...v3.12.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

splunk-otel-android/build.gradle

@@ -58,7 +58,7 @@ dependencies {
     api 'com.squareup.okhttp3:okhttp:4.9.1'
 
     testImplementation 'junit:junit:4.13.2'
-    testImplementation 'org.mockito:mockito-core:3.12.0'
+    testImplementation 'org.mockito:mockito-core:3.12.1'
     testImplementation 'io.opentelemetry:opentelemetry-sdk-testing'
     testImplementation 'org.robolectric:robolectric:4.6.1'
     testImplementation 'androidx.test:core:1.4.0'