Bump mockito-core from 3.0.0 to 3.1.0 in /search-services

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v3.0.0...v3.1.0)

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

search-services/alfresco-search/pom.xml

@@ -107,7 +107,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>3.0.0</version>
+            <version>3.1.0</version>
             <scope>test</scope>
         </dependency>
 

search-services/alfresco-solrclient-lib/pom.xml

@@ -67,7 +67,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>3.0.0</version>
+            <version>3.1.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>