build: bump delegate from 0.12.0 to 0.13.0

Bumps [delegate](https://github.com/kobzol/rust-delegate) from 0.12.0 to 0.13.0.
- [Changelog](https://github.com/Kobzol/rust-delegate/blob/main/CHANGELOG.md)
- [Commits](Kobzol/rust-delegate@v0.12.0...v0.13.0)

---
updated-dependencies:
- dependency-name: delegate
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

implementations/rust/ockam/ockam_identity/Cargo.toml

@@ -75,7 +75,7 @@ rust-crypto = ["ockam_vault?/rust-crypto"]
 async-trait = "0.1.82"
 cfg-if = "1.0.0"
 chrono = { version = "0.4.38", default-features = false }
-delegate = "0.12.0"
+delegate = "0.13.0"
 hex = { version = "0.4", default-features = false }
 minicbor = { version = "0.24.1", features = ["alloc", "derive"] }
 ockam_core = { path = "../ockam_core", version = "^0.116.0", default-features = false }