perf: make launch notes show async

pkg/core/stages/show_notes.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import asyncio
+
 from .. import stage, app, note
 from ...utils import importutil
 
@@ -20,11 +22,15 @@ class ShowNotesStage(stage.BootingStage):
             try:
                 note_inst = note_cls(ap)
                 if await note_inst.need_show():
+
+                    async def ayield_note(note_inst: note.LaunchNote):
                         async for ret in note_inst.yield_note():
                             if not ret:
                                 continue
                             msg, level = ret
                             if msg:
                                 ap.logger.log(level, msg)
+
+                    asyncio.create_task(ayield_note(note_inst))
             except Exception:
                 continue