Update Rust crate libloading to 0.8 (#95)

Co-authored-by: oxide-renovate[bot] <146848827+oxide-renovate[bot]@users.noreply.github.com>

Author: oxide-renovate[bot]

Cargo.lock

@@ -24,7 +24,7 @@ anyhow = "1"
 bitvec = "1.0"
 clap = { version = "4", features = ["color", "derive"] }
 colored = "3"
-libloading = { version = "0.7" }
+libloading = { version = "0.8" }
 num = { version = "0.4", features = ["serde"] }
 p4 = { path = "p4" }
 pnet = "0.35"