build(deps): bump org.codehaus.mojo:exec-maven-plugin

Bumps [org.codehaus.mojo:exec-maven-plugin](https://github.com/mojohaus/exec-maven-plugin) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/mojohaus/exec-maven-plugin/releases)
- [Commits](mojohaus/exec-maven-plugin@3.3.0...3.4.0)

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

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

pom.xml

@@ -21,7 +21,7 @@
     <properties>
         <build-helper-maven-plugin-version>3.6.0</build-helper-maven-plugin-version>
         <download-maven-plugin-version>1.9.0</download-maven-plugin-version>
-        <exec-maven-plugin-version>3.3.0</exec-maven-plugin-version>
+        <exec-maven-plugin-version>3.4.0</exec-maven-plugin-version>
 
         <!-- Maven JUnit version should fit the JUnit version used in the target platform, otherwise Surefire may produce exceptions.
         You can try to use newer versions here, but that requires manual testing. -->