Remove unused parking lot send guard feature (#1218)

Author: Sushisource

crates/common/Cargo.toml

@@ -67,7 +67,7 @@ opentelemetry-otlp = { version = "0.31", features = [
   "http-proto",
   "grpc-tonic",
 ], optional = true }
-parking_lot = { version = "0.12", features = ["send_guard"] }
+parking_lot = { version = "0.12" }
 prometheus = { version = "0.14", optional = true, default-features = false }
 prost = { workspace = true }
 prost-wkt = "0.7"

crates/sdk-core/Cargo.toml

@@ -65,7 +65,7 @@ opentelemetry-otlp = { version = "0.31", features = [
   "http-proto",
   "grpc-tonic",
 ], optional = true }
-parking_lot = { version = "0.12", features = ["send_guard"] }
+parking_lot = { version = "0.12" }
 pid = "4.0"
 pin-project = "1.1"
 prost = { workspace = true }

crates/sdk/Cargo.toml

@@ -21,7 +21,7 @@ futures-util = { version = "0.3", default-features = false, features = [
   "async-await-macro",
 ] }
 gethostname = "1.0.2"
-parking_lot = { version = "0.12", features = ["send_guard"] }
+parking_lot = { version = "0.12" }
 prost-types = { workspace = true }
 serde = "1.0"
 thiserror = "2"