bump rkyv and update its feature set

Author: pront

Cargo.lock

@@ -25,7 +25,7 @@ metrics.workspace = true
 num-traits = { version = "0.2.19", default-features = false }
 paste = "1.0.15"
 pin-project.workspace = true
-rkyv = { version = "0.7.45", default-features = false, features = ["size_32", "std", "strict", "validation"] }
+rkyv = { version = "0.8.8", default-features = false, features = ["pointer_width_32", "std"] }
 serde.workspace = true
 snafu = { version = "0.7.5", default-features = false, features = ["std"] }
 tokio-util = { version = "0.7.0", default-features = false }