Narrow invalid date parsing exception to ValueError

Agent-Logs-Url: https://github.com/conorheffron/booking-sys/sessions/402a72f4-5db9-4ac5-af9a-ad5dbf2a2632

Co-authored-by: conorheffron <[email protected]>

Author: Copilot

backend/hr/views.py

@@ -160,7 +160,7 @@ def bookings_by_id(cls, request, reservation_id):
                 parsed_reservation_date = datetime.strptime(
                     reservation_date, "%Y-%m-%d"
                 ).date()
-            except Exception:
+            except ValueError:
                 return JsonResponse(
                     {"error": "Invalid reservation_date or reservation_slot."},
                     status=400