@cocos/fbx2gltf is hosted by Cocos and is used in productions of Cocos.
from those in commit https://github.com/facebookincubator/FBX2glTF/commit/37f992321eeb2d593f86371a1fe39c26a0e8467c .
Publish a new version
Be sure you have rights to publish package to @cocos.
Just change version number in sync.js file and run
node ./sync.js & npm --registry https://registry.npmjs.org/ publish.
Note, it's your responsibility to ensure
node ./sync.js is running successfully.