Bump org.mockito:mockito-core from 5.17.0 to 5.18.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.17.0 to 5.18.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.17.0...v5.18.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-version: 5.18.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

openpdf/pom.xml

@@ -56,7 +56,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>5.17.0</version>
+            <version>5.18.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>

pom.xml

@@ -112,7 +112,7 @@
     <jacoco-maven-plugin.version>0.8.12</jacoco-maven-plugin.version>
     <junit.version>5.12.2</junit.version>
     <mockito4.version>4.11.0</mockito4.version>
-    <mockito5.version>5.17.0</mockito5.version>
+    <mockito5.version>5.18.0</mockito5.version>
   </properties>
 
   <dependencyManagement>