chore(deps): update delegate requirement from 0.11.0 to 0.12.0

Updates the requirements on [delegate](https://github.com/kobzol/rust-delegate) to permit the latest version.
- [Changelog](https://github.com/Kobzol/rust-delegate/blob/main/CHANGELOG.md)
- [Commits](Kobzol/rust-delegate@v0.11.0...v0.12.0)

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

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

tket2/Cargo.toml

@@ -52,7 +52,7 @@ strum_macros = "0.25.2"
 strum = "0.25.0"
 fxhash = "0.2.1"
 rmp-serde = { version = "1.1.2", optional = true }
-delegate = "0.11.0"
+delegate = "0.12.0"
 csv = { version = "1.2.2" }
 chrono = { version = "0.4.30" }
 bytemuck = "1.14.0"