fix(worker): await serveFromNetwork so stale fallback is reachable

.changeset/await-stale-fallback.md

@@ -0,0 +1,5 @@
+---
+"@toapi/worker": patch
+---
+
+Fix offline stale-fallback in the worker: `serveFromNetwork` is now awaited so the expired-cache catch block can serve the cached response when the network is unavailable.

packages/2-toapi-worker/src/handle-toapi-request.ts

@@ -32,7 +32,7 @@ export async function handleToapiRequest(
         // cached response is expired
         try {
           // try to serve from network
-          return serveFromNetwork(req);
+          return await serveFromNetwork(req);
         } catch (error) {
           // probably network not available, serve old response
           errorLog(error);