fix(deps): pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
@types/d3-format (source)	devDependencies	pin	3.0.1	homepage, source
@types/d3-scale (source)	devDependencies	pin	4.0.3	homepage, source
@types/d3-time-format (source)	devDependencies	pin	4.0.0	homepage, source
@types/js-cookie (source)	devDependencies	pin	3.0.3	homepage, source
@types/mapbox__rehype-prism (source)	devDependencies	pin	0.8.0	homepage, source
@types/mdx (source)	devDependencies	pin	2.0.3	homepage, source
@types/prismjs (source)	devDependencies	pin	1.26.0	homepage, source
@types/react-scroll (source)	devDependencies	pin	1.8.10	homepage, source
@types/react-syntax-highlighter (source)	dependencies	pin	15.5.13	homepage, source

Test plan: CI should pass with updated dependencies. No review required: this is an automated dependency update PR.

Add the preset :preserveSemverRanges to your config if you don't want to pin your dependencies.

---

Configuration

📅 Schedule: Branch creation - "on the 1st through 7th day of the month" in timezone America/Los_Angeles, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[netlify]

✅ Deploy Preview for sourcegraph ready!

Name	Link
🔨 Latest commit	8b2729b
🔍 Latest deploy log	https://app.netlify.com/sites/sourcegraph/deploys/679de73acc19120008ed7eb9
😎 Deploy Preview	https://deploy-preview-7510--sourcegraph.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.