feat(rust): fix size_in_bytes in last_checkpoint_ to i64 (#2649)

# Description
see #2646 


# Related Issue(s)
closes #2646

crates/core/src/kernel/snapshot/log_segment.rs

@@ -373,13 +373,13 @@ struct CheckpointMetadata {
     #[allow(unreachable_pub)] // used by acceptance tests (TODO make an fn accessor?)
     pub version: i64,
     /// The number of actions that are stored in the checkpoint.
-    pub(crate) size: i32,
+    pub(crate) size: i64,
     /// The number of fragments if the last checkpoint was written in multiple parts.
     pub(crate) parts: Option<i32>,
     /// The number of bytes of the checkpoint.
-    pub(crate) size_in_bytes: Option<i32>,
+    pub(crate) size_in_bytes: Option<i64>,
     /// The number of AddFile actions in the checkpoint.
-    pub(crate) num_of_add_files: Option<i32>,
+    pub(crate) num_of_add_files: Option<i64>,
     /// The schema of the checkpoint file.
     pub(crate) checkpoint_schema: Option<Schema>,
     /// The checksum of the last checkpoint JSON.