bump min workers

Author: BYK

scripts/generate-md-exports.mjs

@@ -35,7 +35,9 @@ async function createWork() {
   await mkdir(OUTPUT_DIR, {recursive: true});
 
   // On a 16-core machine, 8 workers were optimal (and slightly faster than 16)
-  const numWorkers = Math.max(Math.floor(cpus().length / 2), 2);
+  // Putting 4 as the minimum as Vercel has 4 cores per builder and it may help
+  // us cut down some of the time there.
+  const numWorkers = Math.max(Math.floor(cpus().length / 2), 4);
   const workerTasks = new Array(numWorkers).fill(null).map(() => []);
 
   console.log(`🔎 Discovering files to convert...`);