feat: [AssuredWorkloads] service updates (#5004)

* fix(php): only wrap top-level required oneof in tests

Updating to gapic-generator-php v1.3.1 carries this fix.

PiperOrigin-RevId: 420859180

Source-Link: googleapis/googleapis@1038088

Source-Link: googleapis/googleapis-gen@1dc3a91
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* 🦉 Updates from OwlBot

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AssuredWorkloads/src/V1beta1/AssuredWorkloadsServiceClient.php

@@ -18,7 +18,7 @@
 /*
  * GENERATED CODE WARNING
  * Generated by gapic-generator-php from the file
- * https://github.com/google/googleapis/blob/master/google/cloud/assuredworkloads/v1beta1/assuredworkloads_v1beta1.proto
+ * https://github.com/googleapis/googleapis/blob/master/google/cloud/assuredworkloads/v1beta1/assuredworkloads_v1beta1.proto
  * Updates to the above are reflected here through a refresh process.
  *
  * @experimental

AssuredWorkloads/src/V1beta1/Gapic/AssuredWorkloadsServiceGapicClient.php

@@ -18,7 +18,7 @@
 /*
  * GENERATED CODE WARNING
  * Generated by gapic-generator-php from the file
- * https://github.com/google/googleapis/blob/master/google/cloud/assuredworkloads/v1beta1/assuredworkloads_v1beta1.proto
+ * https://github.com/googleapis/googleapis/blob/master/google/cloud/assuredworkloads/v1beta1/assuredworkloads_v1beta1.proto
  * Updates to the above are reflected here through a refresh process.
  *
  * @experimental
@@ -354,6 +354,9 @@ public function resumeOperation($operationName, $methodName = null)
      *           See the {@see \Google\ApiCore\Transport\GrpcTransport::build()} and
      *           {@see \Google\ApiCore\Transport\RestTransport::build()} methods for the
      *           supported options.
+     *     @type callable $clientCertSource
+     *           A callable which returns the client cert as a string. This can be used to
+     *           provide a certificate and private key to the transport layer for mTLS.
      * }
      *
      * @throws ValidationException
@@ -414,8 +417,8 @@ public function __construct(array $options = [])
      *     Optional.
      *
      *     @type string $externalId
-     *           Optional. A identifier associated with the workload and underlying projects which
-     *           allows for the break down of billing costs for a workload. The value
+     *           Optional. A identifier associated with the workload and underlying projects
+     *           which allows for the break down of billing costs for a workload. The value
      *           provided for the identifier will add a label to the workload and contained
      *           projects with the identifier as the value.
      *     @type RetrySettings|array $retrySettings
@@ -512,8 +515,8 @@ public function deleteWorkload($name, array $optionalArgs = [])
      * }
      * ```
      *
-     * @param string $name         Required. The resource name of the Workload to fetch. This is the workloads's
-     *                             relative path in the API, formatted as
+     * @param string $name         Required. The resource name of the Workload to fetch. This is the
+     *                             workloads's relative path in the API, formatted as
      *                             "organizations/{organization_id}/locations/{location_id}/workloads/{workload_id}".
      *                             For example,
      *                             "organizations/123/locations/us-east1/workloads/assured-workload-1".