fix: Change url to point to os.pizza

[BekahHW]

Description

The redirects weren't working, so we needed to change the url.

Related Tickets & Documents

closes #229

Mobile & Desktop Screenshots/Recordings

Steps to QA

Tier (staff will fill in)

• [ ] Tier 1
• [ ] Tier 2
• [ ] Tier 3
• [x] Tier 4

[optional] What gif best describes this PR or how it makes you feel?

[netlify[bot]]

✅ Deploy Preview for learn-opensauced ready!

Name	Link
🔨 Latest commit	31fce36b7588dcd7535bde2b4ab4606f7395948e
🔍 Latest deploy log	https://app.netlify.com/sites/learn-opensauced/deploys/666c9baace35920008d004f2
😎 Deploy Preview	https://deploy-preview-228--learn-opensauced.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.