Add new option latestOnly

When this option is set to `true`, only the latest release will be fetched

Author: Axel Rindle

lib/check.js

@@ -90,7 +90,13 @@ const rest = (options, callback) => {
     });
   };
 
-  const apiUrl = `https://api.github.com/repos/${options.owner}/${options.repo}/releases`;
+  // build url
+  let apiUrl = `https://api.github.com/repos/${options.owner}/${options.repo}/releases`;
+  if (options.latestOnly) {
+    apiUrl += '/latest';
+  }
+
+  // define request options
   const opts = {
     headers: {
       'Accept': 'application/vnd.github.v3+json',