updates to mypy.ini re: bigtable

Intended to bring the root mypy.ini in closer alignment with the previous bigtable mypy.ini

Author: chalmerlowe

mypy.ini

@@ -89,12 +89,12 @@ ignore_missing_imports = True
 
 # --- google-cloud-bigtable ---
 [mypy-google.cloud.bigtable.*]
-ignore_errors = True
-
-[mypy-google.cloud.bigtable.data.*]
 check_untyped_defs = True
 warn_unreachable = True
 disallow_any_generics = True
+ignore_errors = True
+
+[mypy-google.cloud.bigtable.data.*]
 ignore_errors = False
 
 # --- bigframes ---