Fix typos found by codespell (#31243)

* Fix typos found by codespell

* Fix typos found by codespell

* codespell: Furture  ==> Future

* Update test_config_flow.py

* Update __init__.py

* Spellcheck: successfull  ==> successful

* Codespell: unsuccesful  ==> unsuccessful

* Codespell: cant  ==> can't

* Codespell: firware ==> firmware

* Codespell: mimick  ==> mimic

tests/components/input_datetime/test_init.py

@@ -307,7 +307,7 @@ async def test_restore_state(hass):
 
 
 async def test_default_value(hass):
-    """Test default value if none has been set via inital or restore state."""
+    """Test default value if none has been set via initial or restore state."""
     await async_setup_component(
         hass,
         DOMAIN,