fix(generator): fix import group formatting in _compat.py template and goldens

Author: hebaalazzeh

packages/gapic-generator/gapic/templates/%namespace/%name_%version/%sub/_compat.py.j2

@@ -9,6 +9,7 @@ import os
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError
 
 

packages/gapic-generator/tests/integration/goldens/asset/google/cloud/asset_v1/_compat.py

@@ -22,6 +22,7 @@
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError
 
 

packages/gapic-generator/tests/integration/goldens/credentials/google/iam/credentials_v1/_compat.py

@@ -22,6 +22,7 @@
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError
 
 

packages/gapic-generator/tests/integration/goldens/eventarc/google/cloud/eventarc_v1/_compat.py

@@ -22,6 +22,7 @@
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError
 
 

packages/gapic-generator/tests/integration/goldens/logging/google/cloud/logging_v2/_compat.py

@@ -22,6 +22,7 @@
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError
 
 

packages/gapic-generator/tests/integration/goldens/logging_internal/google/cloud/logging_v2/_compat.py

@@ -22,6 +22,7 @@
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError
 
 

packages/gapic-generator/tests/integration/goldens/redis/google/cloud/redis_v1/_compat.py

@@ -22,6 +22,7 @@
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError
 
 

packages/gapic-generator/tests/integration/goldens/redis_selective/google/cloud/redis_v1/_compat.py

@@ -22,6 +22,7 @@
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError
 
 

packages/gapic-generator/tests/integration/goldens/storagebatchoperations/google/cloud/storagebatchoperations_v1/_compat.py

@@ -22,6 +22,7 @@
 import re
 import uuid
 from typing import Any, Callable, Dict, List, Optional, Tuple
+
 from google.auth.exceptions import MutualTLSChannelError