Update dependency @types/react to v17.0.39

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@types/react	17.0.38 -> 17.0.39

---

Configuration

📅 Schedule: "on the 1st through 7th day of the month" in timezone America/Los_Angeles.

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[netlify[bot]]

✔️ Deploy Preview for sourcegraph-learn ready!

🔨 Explore the source changes: 68c86ec3d75c43ca2838b7a3faf7c58ee8e6468f

🔍 Inspect the deploy log: https://app.netlify.com/sites/sourcegraph-learn/deploys/61fbf1fb0caf7e0007b0d106

😎 Browse the preview: https://deploy-preview-455--sourcegraph-learn.netlify.app

[netlify[bot]]

✔️ Deploy Preview for sourcegraph-learn ready!

🔨 Explore the source changes: a94a2a487e28748be8c600d1724758815f80f0f0

🔍 Inspect the deploy log: https://app.netlify.com/sites/sourcegraph-learn/deploys/61fbf237af750e0008ef8774

😎 Browse the preview: https://deploy-preview-455--sourcegraph-learn.netlify.app