chore: update worker requirement from 0.4.2 to 0.5.0 (#17)

Updates the requirements on [worker](https://github.com/cloudflare/workers-rs) to permit the latest version.
- [Release notes](https://github.com/cloudflare/workers-rs/releases)
- [Commits](cloudflare/workers-rs@v0.4.2...v0.5.0)

---
updated-dependencies:
- dependency-name: worker
  dependency-type: direct:production
...

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

Cargo.toml

@@ -14,7 +14,7 @@ crate-type = ["cdylib"]
 reqwest = { version = "0.12.0", features = ["json"] }
 serde = "1.0.171"
 serde_json = "1.0.102"
-worker = "0.4.2"
+worker = "0.5.0"
 
 [profile.release]
 lto = true