Enable strict typing for GitHub integration (home-assistant#154048)

Author: HarlemSquirrel

.strict-typing

@@ -221,6 +221,7 @@ homeassistant.components.generic_thermostat.*
 homeassistant.components.geo_location.*
 homeassistant.components.geocaching.*
 homeassistant.components.gios.*
+homeassistant.components.github.*
 homeassistant.components.glances.*
 homeassistant.components.go2rtc.*
 homeassistant.components.goalzero.*

homeassistant/components/github/coordinator.py

@@ -167,6 +167,6 @@ async def subscribe(self) -> None:
         )
         self.hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, self.unsubscribe)
 
-    def unsubscribe(self, *args) -> None:
+    def unsubscribe(self, *args: Any) -> None:
         """Unsubscribe to repository events."""
         self._client.repos.events.unsubscribe(subscription_id=self._subscription_id)