Bump mockito-core from 3.5.13 to 3.5.15

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.5.13 to 3.5.15.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.5.13...v3.5.15)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -256,7 +256,7 @@
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>3.5.13</version>
+        <version>3.5.15</version>
         <scope>test</scope>
       </dependency>
       <dependency>