Update config.yml

[alisonjoseph]

hopefully fix deploy

[netlify[bot]]

✔️ Deploy Preview for design-website ready!

🔨 Explore the source changes: 91db4300b8e7d53d69b970028bb3fbaa7fb567fe

🔍 Inspect the deploy log: https://app.netlify.com/sites/design-website/deploys/6165f60e99b26500078c215f

😎 Browse the preview: https://deploy-preview-470--design-website.netlify.app