build(deps): update dependency org.codehaus.mojo:exec-maven-plugin to…

… v3.2.0 (googleapis#1582)

* build(deps): update dependency org.codehaus.mojo:exec-maven-plugin to v3.2.0

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

samples/snippets/pom.xml

@@ -79,7 +79,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
-        <version>3.1.1</version>
+        <version>3.2.0</version>
         <executions>
           <execution>
             <!-- to run quickstart: