Bump mockito-core from 3.6.28 to 3.7.7

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.6.28 to 3.7.7.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.6.28...v3.7.7)

Signed-off-by: dependabot[bot] <support@github.com>

json-unit-spring/pom.xml

@@ -95,7 +95,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>3.6.28</version>
+            <version>3.7.7</version>
             <scope>test</scope>
         </dependency>
         <dependency>