Bump syn from 2.0.68 to 2.0.70 in /packages/codde_protocol/rust

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.68 to 2.0.70.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](dtolnay/syn@2.0.68...2.0.70)

---
updated-dependencies:
- dependency-name: syn
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

packages/codde_protocol/rust/Cargo.lock

@@ -16,7 +16,7 @@ dynamic = "0.2.1"
 pyo3 = {version ="0.22.0", features = ["anyhow", "serde", "gil-refs", "abi3"]}  # "abi-py38",  
 quote = "1.0.35"
 serde = {version= "1.0.196",  features = ["derive"] }
-syn = "2.0.48"
+syn = "2.0.70"
 codde_protocol_derive = "0.1.0"
 cbor = "0.4.1"
 typetag = "0.2.15"

packages/codde_protocol/rust/Cargo.toml

@@ -16,7 +16,7 @@ homepage = "https://github.com/codde-pi/codde_protocol"
 flutter_rust_bridge = "=2.0.0"
 quote = "1.0.35"
 serde = {version= "1.0.196",  features = ["derive"] }
-syn = "2.0.48"
+syn = "2.0.70"
 codde_protocol_derive = "0.1.0"
 cbor = "0.4.1"
 typetag = "0.2.15"