fix: remove trailing blank line from deploy-staging.yml (prettier)

Author: manjeet-fetchai

.github/workflows/deploy-staging.yml

@@ -61,4 +61,3 @@ jobs:
           --request POST \
           --data '{"event_type": "docs-staging-build", "client_payload": {"image": "'"${{ secrets.STAGING_IMAGE_REPOSITORY }}"'" , "image_path": "values", "key_path": ".website.image.tag", "commit_message_service": "Docs Staging", "tag": "'"${{ steps.lookup.outputs.version }}"'"}}' \
           https://api.github.com/repos/fetchai/infra-sandbox-london-b-deployment/dispatches
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