Added npm script 'update-name-gh-package' to hyperflux's package.json (…

…#6102)

The publish-npm GH action expects to call a script `update-name-gh-package` in each package,
for the purposes of publishing to GitHub packages. Hyperflux was missing this script, so the
GH package publishing was failing.

packages/hyperflux/package.json

@@ -17,6 +17,7 @@
     "react-reconciler": "^0.27.0"
   },
   "scripts": {
-    "test": "mocha --config .mocharc.js"
+    "test": "mocha --config .mocharc.js",
+    "update-name-gh-package": "node scripts/update-name-gh-package.js"
   }
 }