Add/update filtered-sum-bms benchmark

spot-launcher/node_modules/@smithy/hash-stream-node/dist-es/HashCalculator.js

@@ -0,0 +1,17 @@
+import { toUint8Array } from "@smithy/util-utf8";
+import { Writable } from "stream";
+export class HashCalculator extends Writable {
+    constructor(hash, options) {
+        super(options);
+        this.hash = hash;
+    }
+    _write(chunk, encoding, callback) {
+        try {
+            this.hash.update(toUint8Array(chunk));
+        }
+        catch (err) {
+            return callback(err);
+        }
+        callback();
+    }
+}