chore(deps): update dependency org.json:json to v20200518 (GoogleCloudPlatform#3777)

Author: renovate-bot

run/events-pubsub/pom.xml

@@ -67,7 +67,7 @@ limitations under the License.
     <dependency>
       <groupId>org.json</groupId>
       <artifactId>json</artifactId>
-      <version>20180130</version>
+      <version>20200518</version>
       <scope>test</scope>
   </dependency>
   </dependencies>

run/events-storage/pom.xml

@@ -67,7 +67,7 @@ limitations under the License.
     <dependency>
       <groupId>org.json</groupId>
       <artifactId>json</artifactId>
-      <version>20180130</version>
+      <version>20200518</version>
       <scope>test</scope>
   </dependency>
   </dependencies>