docs: minor grammar improvements (#351)

* docs: minor grammar improvements

PiperOrigin-RevId: 511850615

Source-Link: googleapis/googleapis@6f90843

Source-Link: https://github.com/googleapis/googleapis-gen/commit/26bf8b2af6276ca34ca6c53eb4410f1e24a8f6fa
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* 🦉 Updates from OwlBot post-processor

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

* 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
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* 🦉 Updates from OwlBot post-processor

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

* docs: minor grammar improvements

PiperOrigin-RevId: 512664562

Source-Link: googleapis/googleapis@2328fdb

Source-Link: https://github.com/googleapis/googleapis-gen/commit/93635315eb7fb0d99a5b604d18106b8f472754b2
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* 🦉 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>

Author: gcf-owl-bot[bot]

google/cloud/container_v1/types/cluster_service.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
 
 from google.protobuf import duration_pb2  # type: ignore
@@ -1085,7 +1087,7 @@ class Type(proto.Enum):
 
 
 class NodeTaint(proto.Message):
-    r"""Kubernetes taint is comprised of three fields: key, value, and
+    r"""Kubernetes taint is composed of three fields: key, value, and
     effect. Effect can only be one of three types: NoSchedule,
     PreferNoSchedule or NoExecute.
 

google/cloud/container_v1beta1/types/cluster_service.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
 
 from google.protobuf import duration_pb2  # type: ignore
@@ -1174,7 +1176,7 @@ class Type(proto.Enum):
 
 
 class NodeTaint(proto.Message):
-    r"""Kubernetes taint is comprised of three fields: key, value, and
+    r"""Kubernetes taint is composed of three fields: key, value, and
     effect. Effect can only be one of three types: NoSchedule,
     PreferNoSchedule or NoExecute.