feat: pin Block Properties Table dependency chain

Synchronize codec, kernel and graph revisions so BPT data types remain unified across the workspace.

crates/ocs_save/Cargo.toml

@@ -10,6 +10,6 @@ publish = false
 # exactly one implementation. No UI/app dependencies — only the codec + serde.
 
 [dependencies]
-codec = { package = "acadrust", git = "https://github.com/HakanSeven12/opencadcodec.git", rev = "a01df94", features = ["serde"] }
+codec = { package = "acadrust", git = "https://github.com/HakanSeven12/opencadcodec.git", rev = "12d68e4", features = ["serde"] }
 bincode = "1.3"
 serde = { version = "1", features = ["derive"] }