fix(ci): add DATABENTO_API_KEY to deploy environment

- Add DATABENTO_API_KEY secret to deploy job environment
- Add DATABENTO_API_KEY to .env file creation in deploy script
- Add databento to test and type-check job dependencies

.forgejo/workflows/deploy.yaml

@@ -136,6 +136,7 @@ jobs:
       APP_PORT: "8000"
       TURNSTILE_SITE_KEY: ${{ vars.TURNSTILE_SITE_KEY }}
       TURNSTILE_SECRET_KEY: ${{ secrets.TURNSTILE_SECRET_KEY }}
+      DATABENTO_API_KEY: ${{ secrets.DATABENTO_API_KEY }}
     steps:
       - uses: actions/checkout@v4