feat: remove Bucket.retention_period, now that we've migrated to retention_duration (#1955)

* docs: Clarifications about behavior of DeleteObject RPC

docs: Clarifications about format of GetServiceAccountRequest, CreateHmacKeyRequest, DeleteHmacKeyRequest, GetHmacKeyRequest, ListHmacKeysRequest, ObjectChecksums, HmacKeyMetadata, Bucket field used in CreateBucket request

docs: Corrected child_type annotations for ListBucketsRequest

docs: Updated resource_reference for DeleteObjectRequest, ReadObjectRequest, GetObjectRequest, ListObjectsRequest, Bucket

feat: Changed ChecksummedData definition to use annotation ctype=CORD

feat!: Removed Bucket.retention_period, now that we've migrated to retention_duration

PiperOrigin-RevId: 519863335

Source-Link: googleapis/googleapis@617ec74

Source-Link: https://github.com/googleapis/googleapis-gen/commit/400b7375fadfce1e5101b353e34888301391f80f
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNDAwYjczNzVmYWRmY2UxZTUxMDFiMzUzZTM0ODg4MzAxMzkxZjgwZiJ9

* 🦉 Updates from OwlBot post-processor

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

* chore(deps): Update gapic-generator-java to 2.16.0

PiperOrigin-RevId: 520153493

Source-Link: googleapis/googleapis@26a424a

Source-Link: https://github.com/googleapis/googleapis-gen/commit/78f1567661df07bea7425e4341012e7b77c11254
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNzhmMTU2NzY2MWRmMDdiZWE3NDI1ZTQzNDEwMTJlN2I3N2MxMTI1NCJ9

* 🦉 Updates from OwlBot post-processor

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

* chore: update clirr ignore rules for proto renames

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: BenWhitehead <[email protected]>

Author: gcf-owl-bot[bot]

gapic-google-cloud-storage-v2/clirr-ignored-differences.xml

@@ -43,4 +43,12 @@
     <className>com/google/storage/v2/StorageClient$ListNotification*</className>
   </difference>
 
+  <!-- Allow more specific parent resource method parameters -->
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/storage/v2/StorageClient</className>
+    <method>* *(*Name*)</method>
+    <to>* *(*Name*)</to>
+  </difference>
+
 </differences>

gapic-google-cloud-storage-v2/src/main/java/com/google/storage/v2/StorageClient.java

@@ -35,7 +35,7 @@
               "methods": ["deleteNotificationConfig", "deleteNotificationConfig", "deleteNotificationConfig", "deleteNotificationConfigCallable"]
             },
             "DeleteObject": {
-              "methods": ["deleteObject", "deleteObject", "deleteObject", "deleteObjectCallable"]
+              "methods": ["deleteObject", "deleteObject", "deleteObject", "deleteObject", "deleteObject", "deleteObjectCallable"]
             },
             "GetBucket": {
               "methods": ["getBucket", "getBucket", "getBucket", "getBucketCallable"]
@@ -50,7 +50,7 @@
               "methods": ["getNotificationConfig", "getNotificationConfig", "getNotificationConfig", "getNotificationConfigCallable"]
             },
             "GetObject": {
-              "methods": ["getObject", "getObject", "getObject", "getObjectCallable"]
+              "methods": ["getObject", "getObject", "getObject", "getObject", "getObject", "getObjectCallable"]
             },
             "GetServiceAccount": {
               "methods": ["getServiceAccount", "getServiceAccount", "getServiceAccount", "getServiceAccountCallable"]