Bump @cloudflare/workers-types from 4.20260421.1 to 4.20260426.1 (#1209)

Bumps [@cloudflare/workers-types](https://github.com/cloudflare/workerd) from 4.20260421.1 to 4.20260426.1.
- [Release notes](https://github.com/cloudflare/workerd/releases)
- [Changelog](https://github.com/cloudflare/workerd/blob/main/RELEASE.md)
- [Commits](https://github.com/cloudflare/workerd/commits)

---
updated-dependencies:
- dependency-name: "@cloudflare/workers-types"
  dependency-version: 4.20260426.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -26,7 +26,7 @@
    },
    "devDependencies": {
       "@biomejs/biome": "2.4.13",
-      "@cloudflare/workers-types": "^4.20260421.1",
+      "@cloudflare/workers-types": "^4.20260426.1",
       "@types/mime-types": "^3.0.1",
       "@types/node": "^25.6.0",
       "@types/semver": "^7.7.1",