Update wranglerVersion to 4.43.0

[conico974]

Update the wranglerVersion in deployment actions to 4.43.0 for improved functionality and compatibility.

[linear]

RND-8723 Site's default theme still applied when toggle modes is enabled, causing screen flash

[changeset-bot]

⚠️ No Changeset found

Latest commit: 16e0cb4

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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[github-actions]

Summary of the deployments:

Version	URL	Status
Vercel	https://gitbook-v2-k30xwevtw-gitbook.vercel.app	✅
Cloudflare	https://3272c5ea-gitbook-open-v2-preview.gitbook.workers.dev	✅

Test content

Site	2v	2c
GitBook	https://gitbook-v2-k30xwevtw-gitbook.vercel.app/url/gitbook.com/docs	https://3272c5ea-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.com/docs
E2E	https://gitbook-v2-k30xwevtw-gitbook.vercel.app/url/gitbook.gitbook.io/test-gitbook-open	https://3272c5ea-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.gitbook.io/test-gitbook-open

[argos-ci]

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Build	Status	Details	Updated (UTC)
customers-v2 (Inspect)	✅ No changes detected	-	Nov 26, 2025, 5:18 PM
v2-cloudflare (Inspect)	👍 Changes approved	16 changed	Nov 26, 2025, 5:23 PM
v2-vercel (Inspect)	👍 Changes approved	18 changed	Nov 26, 2025, 5:21 PM