Disable retry for label printing (#12937)

prevents multiple label copies sent to machine - e.g. if timeout occurs on first attempt

src/backend/InvenTree/plugin/base/label/mixins.py

@@ -197,6 +197,7 @@ class LabelPrintingMixin:
                     plugin_label.print_label,
                     self.plugin_slug(),
                     group='plugin',
+                    retry=False,
                     **print_args,
                 )
 

src/backend/InvenTree/plugin/builtin/labels/inventree_machine.py

@@ -108,6 +108,7 @@ class InvenTreeLabelPlugin(LabelPrintingMixin, InvenTreePlugin):
             output=output,
             force_sync=settings.TESTING or driver.USE_BACKGROUND_WORKER,
             group='plugin',
+            retry=False,
             **print_kwargs,
         )