fix(wpt): order version keys alphabetically (nodejs#536)

Author: targos

lib/wpt/index.js

@@ -94,10 +94,16 @@ class WPTUpdater {
   async updateVersions(updated) {
     const versionsPath = this.versionsPath;
     const readmePath = this.readmePath;
-    const versions = this.getLocalVersions();
+    let versions = this.getLocalVersions();
 
     this.cli.startSpinner('Updating versions.json ...');
     Object.assign(versions, updated);
+    // Reorder keys alphabetically
+    versions = Object.fromEntries(
+      Object.entries(versions).sort(([key1], [key2]) =>
+        key1.localeCompare(key2)
+      )
+    );
     writeJson(versionsPath, versions);
     this.cli.stopSpinner(`Updated ${versionsPath}`);