MINOR: Bump org.mockito:mockito-core from 5.14.2 to 5.15.2 (#480)

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito)
from 5.14.2 to 5.15.2.

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

Author: dependabot[bot]

pom.xml

@@ -108,7 +108,7 @@ under the License.
     <checkstyle.version>10.20.1</checkstyle.version>
     <checkstyle.failOnViolation>true</checkstyle.failOnViolation>
     <error_prone_core.version>2.31.0</error_prone_core.version>
-    <mockito.core.version>5.14.2</mockito.core.version>
+    <mockito.core.version>5.15.2</mockito.core.version>
     <checker.framework.version>3.48.2</checker.framework.version>
     <logback.version>1.5.12</logback.version>
     <doclint>none</doclint>