rewrite repo location urls

packages/test-utils/README.md

@@ -18,5 +18,5 @@ $ yarn add -D @backstage/test-utils
 
 ## Documentation
 
-- [Backstage Readme](https://github.com/spotify/backstage/blob/master/README.md)
-- [Backstage Documentation](https://github.com/spotify/backstage/blob/master/docs/README.md)
+- [Backstage Readme](https://github.com/backstage/backstage/blob/master/README.md)
+- [Backstage Documentation](https://github.com/backstage/backstage/blob/master/docs/README.md)

packages/test-utils/package.json

@@ -11,7 +11,7 @@
   "homepage": "https://backstage.io",
   "repository": {
     "type": "git",
-    "url": "https://github.com/spotify/backstage",
+    "url": "https://github.com/backstage/backstage",
     "directory": "packages/test-utils"
   },
   "keywords": [