chore(deps): update dependency org.apache.maven.plugins:maven-dependency-plugin to v3.8.1

Author: renovate-bot

Diff for: google-oauth-client-appengine/pom.xml

@@ -15,7 +15,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-dependency-plugin</artifactId>
-          <version>3.6.1</version>
+          <version>3.8.1</version>
           <configuration>
             <ignoredUnusedDeclaredDependencies>
               <ignoredUnusedDeclaredDependency>com.google.appengine:appengine-api-stubs</ignoredUnusedDeclaredDependency>