Add strict typing to Google Sheets (#79801)

.strict-typing

@@ -118,6 +118,7 @@ homeassistant.components.geocaching.*
 homeassistant.components.gios.*
 homeassistant.components.goalzero.*
 homeassistant.components.google.*
+homeassistant.components.google_sheets.*
 homeassistant.components.greeneye_monitor.*
 homeassistant.components.group.*
 homeassistant.components.guardian.*

mypy.ini

@@ -932,6 +932,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.google_sheets.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.greeneye_monitor.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true