build(deps): update dependency org.codehaus.mojo:exec-maven-plugin to v3 (googleapis#1051)

Author: renovate-bot

samples/dailymotion-simple-cmdline-sample/pom.xml

@@ -15,7 +15,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
-        <version>1.6.0</version>
+        <version>3.0.0</version>
         <executions>
           <execution>
             <goals>