Use username/password auth for npm snapshots

Author: flyingsilverfin

.factory/automation.yml

@@ -165,7 +165,8 @@ build:
  test-behaviour-definable-core, test-behaviour-definable-cluster
  ]
  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) //:deploy-npm -- snapshot
  test-deployment-npm:
  filter: