chore(deps): update dependency org.codehaus.mojo:exec-maven-plugin to v3.6.4

Author: renovate[bot]

pom.xml

@@ -171,7 +171,7 @@
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>exec-maven-plugin</artifactId>
-          <version>3.6.3</version>
+          <version>3.6.4</version>
         </plugin>
         <plugin>
           <groupId>com.github.siom79.japicmp</groupId>