Bump mockito-core from 5.0.0 to 5.1.0 (#461)

Bumps [mockito-core](https://github.com/mockito/mockito) from 5.0.0 to 5.1.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.0.0...v5.1.0)

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

splunk-otel-android-volley/build.gradle.kts

@@ -69,7 +69,7 @@ dependencies {
     testImplementation("org.assertj:assertj-core:3.24.2")
     testImplementation("io.opentelemetry:opentelemetry-sdk-testing")
     testImplementation("org.robolectric:robolectric:4.9.2")
-    testImplementation("org.mockito:mockito-core:5.0.0")
+    testImplementation("org.mockito:mockito-core:5.1.0")
     testImplementation("androidx.test:core:1.5.0")
     testImplementation("com.google.mockwebserver:mockwebserver:20130706")
     testImplementation("com.android.volley:volley:1.2.1")

splunk-otel-android/build.gradle.kts

@@ -63,7 +63,7 @@ dependencies {
     api("io.opentelemetry:opentelemetry-api")
     api("com.squareup.okhttp3:okhttp:4.10.0")
 
-    testImplementation("org.mockito:mockito-core:5.0.0")
+    testImplementation("org.mockito:mockito-core:5.1.0")
     testImplementation("org.mockito:mockito-junit-jupiter:5.0.0")
     testImplementation(platform("org.junit:junit-bom:5.9.2"))
     testImplementation("org.junit.jupiter:junit-jupiter-api")