chore(deps): update diqwest requirement from 1.2.1 to 3.0.0

Updates the requirements on [diqwest](https://github.com/maoertel/diqwest) to permit the latest version.
- [Release notes](https://github.com/maoertel/diqwest/releases)
- [Changelog](https://github.com/maoertel/diqwest/blob/main/CHANGELOG.md)
- [Commits](maoertel/diqwest@v1.2.1...v1.2.1)

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

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

Cargo.toml

@@ -13,7 +13,7 @@ description = "RPC client for Monero daemon and wallet"
 [dependencies]
 anyhow = "1"
 chrono = { version = "0.4", default-features = false, features = ["serde"] }
-diqwest = { version = "1.2.1", default-features = false, optional = true }
+diqwest = { version = "3.0.0", default-features = false, optional = true }
 fixed-hash = "0.8"
 hex = "0.4"
 http = "0.2"