fix: Fixed an issue where cancel-in-progress was omitted

Author: koki-develop

lib/package/concurrency.spec.ts

@@ -8,6 +8,10 @@ describe("concurrencyJSON", () => {
       { group: "group", cancelInProgress: true },
       { group: "group", "cancel-in-progress": true },
     ],
+    [
+      { group: "group", cancelInProgress: false },
+      { group: "group", "cancel-in-progress": false },
+    ],
   ])("concurrencyJSON(%j) returns %j", (input, expected) => {
     expect(concurrencyJSON(input)).toEqual(expected);
   });

lib/package/concurrency.ts

@@ -14,7 +14,7 @@ export function concurrencyJSON(
 
   return {
     group: concurrency.group,
-    ...(concurrency.cancelInProgress && {
+    ...(concurrency.cancelInProgress != null && {
       "cancel-in-progress": concurrency.cancelInProgress,
     }),
   };