chore: Update gapic-generator-python to v1.8.5 (#117)

* chore: Update gapic-generator-python to v1.8.5

PiperOrigin-RevId: 511892190

Source-Link: googleapis/googleapis@a45d9c0

Source-Link: https://github.com/googleapis/googleapis-gen/commit/1907294b1d8365ea24f8c5f2e059a64124c4ed3b
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMTkwNzI5NGIxZDgzNjVlYTI0ZjhjNWYyZTA1OWE2NDEyNGM0ZWQzYiJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: gcf-owl-bot[bot]

google/cloud/optimization_v1/services/fleet_routing/transports/rest.py

@@ -32,7 +32,7 @@
 from requests import __version__ as requests_version
 import dataclasses
 import re
-from typing import Callable, Dict, List, Optional, Sequence, Tuple, Union
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 import warnings
 
 try:
@@ -141,7 +141,7 @@ def pre_get_operation(
         self,
         request: operations_pb2.GetOperationRequest,
         metadata: Sequence[Tuple[str, str]],
-    ) -> operations_pb2.Operation:
+    ) -> Tuple[operations_pb2.GetOperationRequest, Sequence[Tuple[str, str]]]:
         """Pre-rpc interceptor for get_operation
 
         Override in a subclass to manipulate the request or metadata
@@ -150,7 +150,7 @@ def pre_get_operation(
         return request, metadata
 
     def post_get_operation(
-        self, response: operations_pb2.GetOperationRequest
+        self, response: operations_pb2.Operation
     ) -> operations_pb2.Operation:
         """Post-rpc interceptor for get_operation
 
@@ -322,7 +322,7 @@ class _BatchOptimizeTours(FleetRoutingRestStub):
         def __hash__(self):
             return hash("BatchOptimizeTours")
 
-        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, str] = {}
+        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, Any] = {}
 
         @classmethod
         def _get_unset_required_fields(cls, message_dict):
@@ -432,7 +432,7 @@ class _OptimizeTours(FleetRoutingRestStub):
         def __hash__(self):
             return hash("OptimizeTours")
 
-        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, str] = {}
+        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, Any] = {}
 
         @classmethod
         def _get_unset_required_fields(cls, message_dict):

google/cloud/optimization_v1/types/async_model.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from __future__ import annotations
+
 from typing import MutableMapping, MutableSequence
 
 import proto  # type: ignore

google/cloud/optimization_v1/types/fleet_routing.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from __future__ import annotations
+
 from typing import MutableMapping, MutableSequence
 
 import proto  # type: ignore

samples/generated_samples/snippet_metadata_google.cloud.optimization.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-optimization",
-    "version": "1.4.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {