ci: fix token name (#16)

Author: gao-sun

.github/workflows/publish.yml

@@ -29,4 +29,4 @@ jobs:
         working-directory: packages/mcp-auth
         run: pnpm publish --provenance --no-git-checks
         env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_AUTOMATION_TOKEN }}
+          NPM_AUTH_TOKEN: ${{ secrets.NPM_AUTH_TOKEN }}