arch-audit: handle any error

misc/vuln.py

@@ -1,5 +1,7 @@
 import json
+import logging
 import subprocess
+import traceback
 from dataclasses import dataclass
 from enum import StrEnum
 from typing import Optional
@@ -52,4 +54,14 @@ async def get_vulns() -> list[Vulnerability]:
             )
         )
         return []
+    except Exception as exc:
+        await alerts.send_alert(
+            alerts.Alert(
+                alert_type=alerts.AlertType.ERROR,
+                message=f"arch-audit failed to run: {repr(exc)}, see logs",
+                severity=alerts.Severity.CRITICAL,
+            )
+        )
+        logging.error(traceback.format_exc())
+        return []
     return _parse_arch_audit_output(arch_audit_output)