Upgrade pylint (#27279)

* Upgrade pylint to 2.4.2 and astroid to 2.3.1

https://pylint.readthedocs.io/en/latest/whatsnew/2.4.html
https://pylint.readthedocs.io/en/latest/whatsnew/changelog.html#what-s-new-in-pylint-2-4-1
https://pylint.readthedocs.io/en/latest/whatsnew/changelog.html#what-s-new-in-pylint-2-4-2

* unnecessary-comprehension fixes

* invalid-name fixes

* self-assigning-variable fixes

* Re-enable not-an-iterable

* used-before-assignment fix

* invalid-overridden-method fixes

* undefined-variable __class__ workarounds

https://github.com/PyCQA/pylint/issues/3090

* no-member false positive disabling

* Remove some no longer needed disables

* using-constant-test fix

* Disable import-outside-toplevel for now

* Disable some apparent no-value-for-parameter false positives

* invalid-overridden-method false positive disables

https://github.com/PyCQA/pylint/issues/3150

* Fix unintentional Entity.force_update override in AfterShipSensor

homeassistant/core.py

@@ -186,7 +186,9 @@ class HomeAssistant:
         self.data: dict = {}
         self.state = CoreState.not_running
         self.exit_code = 0
-        self.config_entries: Optional[ConfigEntries] = None
+        self.config_entries: Optional[
+            ConfigEntries  # pylint: disable=used-before-assignment
+        ] = None
         # If not None, use to signal end-of-loop
         self._stopped: Optional[asyncio.Event] = None