fix: reject QR token dry-run

pronote_sync/pipeline/run.py

@@ -126,6 +126,8 @@ class PipelineRunner:
         :rtype: PipelineRunner
         """
         effective_dry_run = settings.app.dry_run if dry_run is None else dry_run
+        if effective_dry_run and settings.pronote.auth_mode == "qr_token":
+            raise ValueError("Le mode qr_token n'est pas compatible avec le dry-run.")
         persistence_enabled = not effective_dry_run
         theoretical_provider = get_theoretical_provider(
             settings.app.theoretical_agenda_path,