Upgrade echodb dependency (#3877)

Cargo.lock

@@ -1775,9 +1775,9 @@ dependencies = [
 
 [[package]]
 name = "echodb"
-version = "0.4.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "312221c0bb46e82cd250c818404ef9dce769a4d5a62915c0249b577762eec34a"
+checksum = "1ac31e38aeac770dd01b9d6c9ab2a6d7f025815f71105911cf6de073a5db8ee1"
 dependencies = [
  "arc-swap",
  "imbl",

core/Cargo.toml

@@ -73,7 +73,7 @@ chrono = { version = "0.4.31", features = ["serde"] }
 derive = { version = "0.12.0", package = "surrealdb-derive" }
 deunicode = "1.4.1"
 dmp = "0.2.0"
-echodb = { version = "0.4.0", optional = true }
+echodb = { version = "0.6.0", optional = true }
 executor = { version = "1.8.0", package = "async-executor" }
 ext-sort = { version = "^0.1.4", optional = true }
 foundationdb = { version = "0.8.0", default-features = false, features = [

core/src/kvs/mem/mod.rs

@@ -345,7 +345,7 @@ impl Transaction {
 			end: rng.end.into(),
 		};
 		// Scan the keys
-		let res = self.inner.scan(rng, limit)?;
+		let res = self.inner.scan(rng, limit as usize)?;
 		// Return result
 		Ok(res)
 	}