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/api/test_init.py

@@ -541,7 +541,7 @@ async def test_rendering_template_legacy_user(
 
 
 async def test_api_call_service_not_found(hass, mock_api_client):
-    """Test if the API failes 400 if unknown service."""
+    """Test if the API fails 400 if unknown service."""
     resp = await mock_api_client.post(
         const.URL_API_SERVICES_SERVICE.format("test_domain", "test_service")
     )
@@ -549,7 +549,7 @@ async def test_api_call_service_not_found(hass, mock_api_client):
 
 
 async def test_api_call_service_bad_data(hass, mock_api_client):
-    """Test if the API failes 400 if unknown service."""
+    """Test if the API fails 400 if unknown service."""
     test_value = []
 
     @ha.callback