Detect components in wasmtime compile more robustly (#5592)

The binary version of component is going to change over time so use a
more robust method than checking for a fixed 8 bytes.

Cargo.toml

@@ -41,6 +41,7 @@ listenfd = "1.0.0"
 wat = { workspace = true }
 serde = "1.0.94"
 serde_json = "1.0.26"
+wasmparser = { workspace = true }
 
 [target.'cfg(unix)'.dependencies]
 rustix = { workspace = true, features = ["mm", "param"] }