Use commit hash for CyberMetric dataset url

Author: MattFisher

src/inspect_evals/cybermetric/cybermetric.py

@@ -26,7 +26,7 @@
 from inspect_ai.solver import multiple_choice, system_message
 from platformdirs import user_cache_dir
 
-GITHUB_DATASET_URL_TEMPLATE = "https://raw.githubusercontent.com/cybermetric/CyberMetric/refs/heads/main/{name}-v1.json"
+GITHUB_DATASET_URL_TEMPLATE = "https://raw.githubusercontent.com/cybermetric/CyberMetric/205262cdf5022ba890e792efd176fb19d42913fa/{name}-v1.json"
 SYSTEM_MESSAGE = "You are a security expert who answers questions."
 CACHE_DIR = Path(user_cache_dir("inspect_evals")) / "cybermetric" / "data"