Discord.py dep update 3.1 (#2587)

* Dependency update

discord.py==1.0.1
websockets<7

[style]
black==19.3b0

[Docs]
jinja==2.10.1
urllib3==1.24.2

Changes related to breaking changes from discord.py have also been made
to match

As of this commit, help formatter is back to discord.py's default

redbot/cogs/reports/reports.py

@@ -289,6 +289,7 @@ class Reports(commands.Cog):
                 except discord.NotFound:
                     pass
 
+    @commands.Cog.listener()
     async def on_raw_reaction_add(self, payload):
         """
         oh dear....
@@ -308,6 +309,7 @@ class Reports(commands.Cog):
             )
             self.tunnel_store.pop(t[0], None)
 
+    @commands.Cog.listener()
     async def on_message(self, message: discord.Message):
         for k, v in self.tunnel_store.items():
             topic = _("Re: ticket# {1} in {0.name}").format(*k)