Bump cargo to 1.88; 2024 edition for kcl-lib (#7618)

This is a big one because the edition changes a fair number of things.

rust/kcl-lib/src/execution/modeling.rs

@@ -8,10 +8,10 @@ use uuid::Uuid;
 #[cfg(feature = "artifact-graph")]
 use crate::exec::ArtifactCommand;
 use crate::{
+    ExecState, ExecutorContext, KclError, SourceRange,
     exec::{IdGenerator, KclValue},
     execution::Solid,
     std::Args,
-    ExecState, ExecutorContext, KclError, SourceRange,
 };
 
 /// Context and metadata needed to send a single modeling command.