chore(bazel): update protobuf to v3.21.3 (#8)

* chore(bazel): update protobuf to v3.21.3

chore(bazel): update gax-java to 2.18.4

PiperOrigin-RevId: 463115700

Source-Link: googleapis/googleapis@52130a9

Source-Link: googleapis/googleapis-gen@6a4d9d9
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNmE0ZDlkOWJiM2FmYjIwYjBmNWZhNGY1ZDlmNjc0MGIxZDBlYjE5YSJ9

* 🦉 Updates from OwlBot post-processor

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

* regenerate gkebackup

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

packages/google-cloud-gke-backup/google/cloud/gke_backup_v1/services/backup_for_gke/async_client.py

@@ -796,9 +796,6 @@ async def sample_delete_backup_plan():
 
                       }
 
-                   The JSON representation for Empty is empty JSON
-                   object {}.
-
         """
         # Create or coerce a protobuf request object.
         # Quick check: If we got a request object, we should *not* have
@@ -1408,9 +1405,6 @@ async def sample_delete_backup():
 
                       }
 
-                   The JSON representation for Empty is empty JSON
-                   object {}.
-
         """
         # Create or coerce a protobuf request object.
         # Quick check: If we got a request object, we should *not* have
@@ -2256,9 +2250,6 @@ async def sample_delete_restore_plan():
 
                       }
 
-                   The JSON representation for Empty is empty JSON
-                   object {}.
-
         """
         # Create or coerce a protobuf request object.
         # Quick check: If we got a request object, we should *not* have
@@ -2869,9 +2860,6 @@ async def sample_delete_restore():
 
                       }
 
-                   The JSON representation for Empty is empty JSON
-                   object {}.
-
         """
         # Create or coerce a protobuf request object.
         # Quick check: If we got a request object, we should *not* have

packages/google-cloud-gke-backup/google/cloud/gke_backup_v1/services/backup_for_gke/client.py

@@ -1159,9 +1159,6 @@ def sample_delete_backup_plan():
 
                       }
 
-                   The JSON representation for Empty is empty JSON
-                   object {}.
-
         """
         # Create or coerce a protobuf request object.
         # Quick check: If we got a request object, we should *not* have
@@ -1753,9 +1750,6 @@ def sample_delete_backup():
 
                       }
 
-                   The JSON representation for Empty is empty JSON
-                   object {}.
-
         """
         # Create or coerce a protobuf request object.
         # Quick check: If we got a request object, we should *not* have
@@ -2565,9 +2559,6 @@ def sample_delete_restore_plan():
 
                       }
 
-                   The JSON representation for Empty is empty JSON
-                   object {}.
-
         """
         # Create or coerce a protobuf request object.
         # Quick check: If we got a request object, we should *not* have
@@ -3160,9 +3151,6 @@ def sample_delete_restore():
 
                       }
 
-                   The JSON representation for Empty is empty JSON
-                   object {}.
-
         """
         # Create or coerce a protobuf request object.
         # Quick check: If we got a request object, we should *not* have