adding `abi3-py38` to pyo3 for best target support

apis/python/node/Cargo.toml

@@ -8,7 +8,7 @@ license = "Apache-2.0"
 
 [dependencies]
 dora-node-api = { path = "../../rust/node" }
-pyo3 = { version = "0.16", features = ["eyre"] }
+pyo3 = { version = "0.16", features = ["eyre", "abi3-py38"] }
 eyre = "0.6"
 futures = "0.3.21"
 tokio = { version = "1.17.0", features = ["rt", "sync", "macros"] }