chore: Update gapic-generator-python to v1.11.3 (#135)

* chore: Update gapic-generator-python to v1.11.3

PiperOrigin-RevId: 546899192

Source-Link: googleapis/googleapis@e6b1691

Source-Link: googleapis/googleapis-gen@0b3917c
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMGIzOTE3YzQyMWNiZGE3ZmNiNjcwOTJlMTZjMzNmM2VhNDZmNGJjNyJ9

* 🦉 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>

packages/google-cloud-optimization/google/cloud/optimization_v1/types/fleet_routing.py

@@ -686,7 +686,8 @@ class ShipmentModel(proto.Message):
             1970 (i.e. seconds: 0, nanos: 0) is used as default.
         global_end_time (google.protobuf.timestamp_pb2.Timestamp):
             If unset, 00:00:00 UTC, January 1, 1971 (i.e.
-            seconds: 31536000, nanos: 0) is used as default.
+            seconds: 31536000, nanos: 0)
+            is used as default.
         global_duration_cost_per_hour (float):
             The "global duration" of the overall plan is the difference
             between the earliest effective start time and the latest
@@ -1330,10 +1331,10 @@ class Shipment(proto.Message):
 
     class VisitRequest(proto.Message):
         r"""Request for a visit which can be done by a vehicle: it has a
-        geo-location (or two, see below), opening and closing times
-        represented by time windows, and a service duration time (time
-        spent by the vehicle once it has arrived to pickup or drop off
-        goods).
+        geo-location
+        (or two, see below), opening and closing times represented by
+        time windows, and a service duration time (time spent by the
+        vehicle once it has arrived to pickup or drop off goods).
 
         Attributes:
             arrival_location (google.type.latlng_pb2.LatLng):