fix(cli): exit code mismatch in clikt (#824)

Author: Malinskiy

Diff for: cli/src/main/kotlin/com/malinskiy/marathon/cli/ApplicationView.kt

@@ -85,7 +85,7 @@ private fun execute(cliConfiguration: CliConfiguration) {
         }
 
         when {
-            success -> throw PrintMessage(message = "Marathon execution finished", statusCode = 1, printError = false)
+            success -> throw PrintMessage(message = "Marathon execution finished", statusCode = 0, printError = false)
             configuration.ignoreFailures -> throw PrintMessage(message = "Marathon execution finished with failures (Failures suppressed because ignoreFailures is `true`)", statusCode = 1, printError = true)
             else -> throw PrintMessage(message = "Marathon execution failed", statusCode = 1, printError = true)
         }