Add/update filtered-sum-bms benchmark

spot-launcher/node_modules/@smithy/shared-ini-file-loader/dist-es/mergeConfigFiles.js

@@ -0,0 +1,14 @@
+export const mergeConfigFiles = (...files) => {
+    const merged = {};
+    for (const file of files) {
+        for (const [key, values] of Object.entries(file)) {
+            if (merged[key] !== undefined) {
+                Object.assign(merged[key], values);
+            }
+            else {
+                merged[key] = values;
+            }
+        }
+    }
+    return merged;
+};