chore(deps): update dependency com.google.cloud.functions:function-maven-plugin to v1 (#373)

Author: renovate-bot

invoker/conformance/pom.xml

@@ -53,7 +53,7 @@
         <plugin>
           <groupId>com.google.cloud.functions</groupId>
           <artifactId>function-maven-plugin</artifactId>
-          <version>0.11.2</version>
+          <version>1.0.0</version>
         </plugin>
       </plugins>
     </pluginManagement>