Bump @cloudflare/workers-types from 5.20260814.1 to 5.20260815.1 (#1275)

Bumps [@cloudflare/workers-types](https://github.com/cloudflare/workerd) from 5.20260814.1 to 5.20260815.1.
- [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: 5.20260814.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

package-lock.json

@@ -26,7 +26,7 @@
    },
    "devDependencies": {
       "@biomejs/biome": "2.5.7",
-      "@cloudflare/workers-types": "^5.20260804.1",
+      "@cloudflare/workers-types": "^5.20260815.1",
       "@types/mime-types": "^3.0.1",
       "@types/node": "^26.2.0",
       "@types/semver": "^7.8.0",