Bump mockito-core in /.github/planetiler-examples-dependabot (#465)

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](https://github.com/mockito/mockito/compare/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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -130,7 +130,7 @@
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>5.0.0</version>
+        <version>5.1.0</version>
         <scope>test</scope>
       </dependency>
     </dependencies>