fix: add ts-ignore for delete operations on required properties

zipFile and unzippedPath are set at runtime by cluster worker host.

server/src/plugin/runtime/cluster-fork-worker.ts

@@ -16,7 +16,9 @@ export function createClusterForkWorker(
 
     // these are specific to the cluster worker host
     // and will be set there.
+    // @ts-ignore these are optional at runtime
     delete runtimeWorkerOptions.zipFile;
+    // @ts-ignore these are optional at runtime
     delete runtimeWorkerOptions.unzippedPath;
 
     const waitKilled = new Deferred<void>();