build(deps): bump json from 20170516 to 20200518

Bumps [json](https://github.com/douglascrockford/JSON-java) from 20170516 to 20200518.
- [Release notes](https://github.com/douglascrockford/JSON-java/releases)
- [Commits](https://github.com/douglascrockford/JSON-java/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

build.gradle

@@ -79,7 +79,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-reflect"
     implementation "com.fasterxml.jackson.module:jackson-module-kotlin:${jacksonVersion}"
     implementation "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:${jacksonVersion}"
-    implementation "org.json:json:20170516"
+    implementation "org.json:json:20200518"
 
     testImplementation group: 'junit', name: 'junit', version: junitVersion
     testImplementation "com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0"