WIP4 implementation lanceDB: removed blocking Tokio runtime usage during embeddings and isolated all embedding work off the async runtime

Cargo.toml

@@ -34,7 +34,7 @@ lance-index = "0.37.0"
 arrow = "55.2.0"
 lancedb = "0.22.1"
 uuid = "1.18.1"
-reqwest = { version = "0.12", features = ["blocking", "json", "rustls-tls"] }
+ureq = { version = "2.10.0", features = ["json", "tls"] }
 
 [dev-dependencies]
 redis = { version = "0.24", features = ["aio", "tokio-comp"] }