Bump org.codehaus.mojo:exec-maven-plugin from 1.6.0 to 3.2.0

Bumps [org.codehaus.mojo:exec-maven-plugin](https://github.com/mojohaus/exec-maven-plugin) from 1.6.0 to 3.2.0.
- [Release notes](https://github.com/mojohaus/exec-maven-plugin/releases)
- [Commits](mojohaus/exec-maven-plugin@exec-maven-plugin-1.6.0...3.2.0)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:exec-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

jmock/pom.xml

@@ -73,7 +73,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>1.6.0</version>
+                <version>3.2.0</version>
                 <executions>
                     <execution>
                         <phase>process-classes</phase>