[nelmio/cors-bundle] Fix CORS_ALLOW_ORIGIN format

- Wrap value between simple quotes: avoid shell error when sourcing `.env` file

Author: yannoff

nelmio/cors-bundle/1.5/manifest.json

@@ -6,7 +6,7 @@
         "config/": "%CONFIG_DIR%/"
     },
     "env": {
-        "CORS_ALLOW_ORIGIN": "^https?://(localhost|127\\.0\\.0\\.1)(:[0-9]+)?$"
+        "CORS_ALLOW_ORIGIN": "'^https?://(localhost|127\\.0\\.0\\.1)(:[0-9]+)?$'"
     },
     "aliases": ["cors"]
 }