Release from master

lib/authutil.js

@@ -28,6 +28,9 @@ function writeRegistryToFile(registryUrl, fileLocation) {
     if (scope && scope[0] != '@') {
         scope = '@' + scope;
     }
+    if (scope) {
+        scope = scope.toLowerCase();
+    }
     core.debug(`Setting auth in ${fileLocation}`);
     let newContents = '';
     if (fs.existsSync(fileLocation)) {