Bump mockito-core from 4.6.1 to 4.7.0 in /fhir-parent (#3925)

Bumps [mockito-core](https://github.com/mockito/mockito) from 4.6.1 to 4.7.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v4.6.1...v4.7.0)

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

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Author: dependabot[bot]

fhir-parent/pom.xml

@@ -424,7 +424,7 @@
             <dependency>
                 <groupId>org.mockito</groupId>
                 <artifactId>mockito-core</artifactId>
-                <version>4.6.1</version>
+                <version>4.7.0</version>
                 <scope>test</scope>
             </dependency>
             <dependency>