Add vertex preview token to canary deploy workflow.

Author: hsubox76

.github/workflows/canary-deploy.yml

@@ -74,6 +74,7 @@ jobs:
         NPM_TOKEN_TESTING: ${{secrets.NPM_TOKEN_TESTING}}
         NPM_TOKEN_UTIL: ${{secrets.NPM_TOKEN_UTIL}}
         NPM_TOKEN_VERTEXAI: ${{secrets.NPM_TOKEN_VERTEXAI}}
+        NPM_TOKEN_VERTEXAI_PREVIEW: ${{secrets.NPM_TOKEN_VERTEXAI_PREVIEW}}
         NPM_TOKEN_WEBCHANNEL_WRAPPER: ${{secrets.NPM_TOKEN_WEBCHANNEL_WRAPPER}}
         NPM_TOKEN_FIREBASE: ${{secrets.NPM_TOKEN_FIREBASE}}
         NPM_TOKEN_APP_COMPAT: ${{ secrets.NPM_TOKEN_APP_COMPAT }}