build(deps-dev): bump @cloudflare/workers-types

Bumps [@cloudflare/workers-types](https://github.com/cloudflare/workerd) from 4.20240620.0 to 4.20240815.0.
- [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-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -461,9 +461,9 @@ __metadata:
   linkType: hard
 
 "@cloudflare/workers-types@npm:^4.20240620.0":
-  version: 4.20240620.0
-  resolution: "@cloudflare/workers-types@npm:4.20240620.0"
-  checksum: 10/8292d02668b46777d43bdb94316a41ac4c78afa2687083d8c6749d187c3ded79b52a683265e38876fc358b4fb327fe59d5f728cf8ea898d06f8f3546e871d9c6
+  version: 4.20240815.0
+  resolution: "@cloudflare/workers-types@npm:4.20240815.0"
+  checksum: 10/7b3b2c18ecac20738c4cca7c8bdb6b41858cec18b9be74abf365f928a8b6bd6f34edc1bc0c24a4766ae9837ee6eb81ef55bf1d9ef1aee4e0e7c1b4b39cbe956c
   languageName: node
   linkType: hard