Stage the phylogenetic build to get feedback from SME before making i…

…t live

Pushing the phylogenetic build to staging instead of production, to allow
for time for SME's to review the build before making it live.

Make sure to update this to the live url once the build is approved.

phylogenetic/build-configs/nextstrain-automation/config.yaml

@@ -1,4 +1,4 @@
 custom_rules:
   - build-configs/nextstrain-automation/deploy.smk
 
-deploy_url: "s3://nextstrain-data"
+deploy_url: "s3://nextstrain-staging"