chore: update feedparser

The old feedparser 5.x versions are incompatible with recent setuptools
versions and can't be installed anymore

bot/linux.py

@@ -24,13 +24,13 @@ class Linux(Plugin):
     @irc3.event(r'(?i)^:\S+ PRIVMSG (?P<target>\S+) :(?:.* )?(debian|ubuntu|apt|dpkg|flash)(?: .*|$)')
     def debillian(self, target: str):
         """Annoying RE trigger for debian with variable count of E."""
-        if random.randint(0, 3) is 0:
+        if random.randint(0, 3) == 0:
             self.bot.privmsg(target, re_generator())
 
     @irc3.event(r'(?i)^:\S+ PRIVMSG (?P<target>\S+) :.*(?<!gnu[/+])linux(?! kernel).*')
     def linux(self, target: str):
         """Super annoying, useless 'Stallman is mad' trigger."""
-        if random.randint(0, 12) is 0:
+        if random.randint(0, 12) == 0:
             self.bot.privmsg(target, GNU_LINUX)
 
     @command

requirements.txt

@@ -6,6 +6,6 @@ aiocron~=1.3
 psycopg2~=2.8
 requests~=2.22
 GitPython~=3.0
-feedparser~=5.2
+feedparser~=6.0
 python-dotenv~=0.17.1
 lxml~=4.6