Add support for position_ids and past_key_values in OrtBackend (#700)

Author: alvarobartt

Cargo.lock

@@ -10,7 +10,8 @@ anyhow = { workspace = true }
 nohash-hasher = { workspace = true }
 ndarray = "0.16.1"
 num_cpus = { workspace = true }
-ort = { version = "2.0.0-rc.8", default-features = false, features = ["download-binaries", "half", "onednn", "ndarray"] }
+ort = { version = "2.0.0-rc.10", default-features = false, features = ["std", "download-binaries", "half", "onednn", "ndarray"] }
+ort-sys = { version = "=2.0.0-rc.10", default-features = false }  # https://github.com/pykeio/ort/issues/399
 text-embeddings-backend-core = { path = "../core" }
 tracing = { workspace = true }
 thiserror = { workspace = true }