fix: Set max workers of threadpool in runner to 1 as temporary fix

Task: IL-327

src/intelligence_layer/evaluation/runner.py

@@ -116,7 +116,7 @@ def run(
             examples = islice(examples, num_examples)
 
         start = utc_now()
-        with ThreadPoolExecutor(max_workers=10) as executor:
+        with ThreadPoolExecutor(max_workers=1) as executor:
             ids_and_outputs = tqdm(executor.map(run, examples), desc="Evaluating")
 
             failed_count = 0