deps: update chumsky requirement from 0.9 to 0.12

Updates the requirements on [chumsky](https://github.com/zesterer/chumsky) to permit the latest version.
- [Release notes](https://github.com/zesterer/chumsky/releases)
- [Changelog](https://github.com/zesterer/chumsky/blob/main/CHANGELOG.md)
- [Commits](zesterer/chumsky@0.9...0.12)

---
updated-dependencies:
- dependency-name: chumsky
  dependency-version: 0.12.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.lock

@@ -18,7 +18,7 @@ reqwest = { version = "0.11", default-features = false, features = ["rustls-tls"
 tracing = "0.1"
 anyhow = "1.0"
 thiserror = "1.0"
-chumsky = "0.9" # Optional depending on parsing needs
+chumsky = "0.12" # Optional depending on parsing needs
 event_bus = { path = "../event_bus" }
 schemars = "1.2.1"
 jsonschema = "0.17"