fix(aurora): set a default argument for the resolve command's string parameter

aurora/aurora.py

@@ -46,7 +46,7 @@ class Aurora(commands.Cog):
     This cog stores all of its data in an SQLite database."""
 
     __author__ = ["Seaswimmer"]
-    __version__ = "3.0.0-indev5"
+    __version__ = "3.0.0-indev6"
     __documentation__ = "https://seacogs.coastalcommits.com/aurora/"
 
     async def red_delete_data_for_user(self, *, requester, user_id: int):
@@ -822,7 +822,7 @@ class Aurora(commands.Cog):
 
     @app_commands.command(name="resolve")
     async def resolve(
-        self, interaction: discord.Interaction, case: int, reason: str | None = None
+        self, interaction: discord.Interaction, case: int, reason: str = "No reason provided."
     ):
         """Resolve a specific case.