NPM snapshot deployment uses username/password

Author: flyingsilverfin

.factory/automation.yml

@@ -63,7 +63,8 @@ build:
         branch: master
       image: vaticle-ubuntu-20.04
       command: |
-        export DEPLOY_NPM_TOKEN=$REPO_VATICLE_NPM_TOKEN
+        export DEPLOY_NPM_USERNAME=$REPO_VATICLE_USERNAME
+        export DEPLOY_NPM_PASSWORD=$REPO_VATICLE_PASSWORD
         bazel run --define version=$(git rev-parse HEAD) //grpc/nodejs:deploy-npm -- snapshot
       dependencies: [build, build-dependency]
     deploy-pip-snapshot: