Bump abnf from 0.12.0 to 0.13.0

Bumps [abnf](https://github.com/duesee/abnf) from 0.12.0 to 0.13.0.
- [Release notes](https://github.com/duesee/abnf/releases)
- [Changelog](https://github.com/duesee/abnf/blob/main/CHANGELOG.md)
- [Commits](https://github.com/duesee/abnf/commits/v0.13.0)

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

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

Cargo.lock

@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "abnf"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33741baa462d86e43fdec5e8ffca7c6ac82847ad06cbfb382c1bdbf527de9e6b"
+checksum = "087113bd50d9adce24850eed5d0476c7d199d532fce8fab5173650331e09033a"
 dependencies = [
  "abnf-core",
  "nom",

docs/grammar/Cargo.toml

@@ -22,4 +22,4 @@ rust-version = "1.63"
 version = "1.0"
 
 [dependencies.abnf]
-version = "0.12.0"
+version = "0.13.0"