feat: add support for admin_search in SearchCatalog() API method (#6529)

PiperOrigin-RevId: 553406785
Source-Link: googleapis/googleapis@ce38ea0
Source-Link: googleapis/googleapis-gen@cbd7291
Copy-Tag: eyJwIjoiRGF0YUNhdGFsb2cvLk93bEJvdC55YW1sIiwiaCI6ImNiZDcyOTFlMWU0Mzg5MTg1ZGQ1OGFjZTJkYmFhZDU1ZGVhMDRjNzcifQ==

DataCatalog/src/V1/Gapic/DataCatalogGapicClient.php

@@ -2060,6 +2060,12 @@ public function renameTagTemplateFieldEnumValue($name, $newEnumValueDisplayName,
      *           `default`.
      *
      *           If this parameter is omitted, it defaults to the descending `relevance`.
+     *     @type bool $adminSearch
+     *           Optional. If set, uses searchAll permission granted on organizations from
+     *           `include_org_ids` and projects from `include_project_ids` instead of the
+     *           fine grained per resource permissions when filtering the search results.
+     *           The only allowed `order_by` criteria for admin_search mode is `default`.
+     *           Using this flags guarantees a full recall of the search results.
      *     @type RetrySettings|array $retrySettings
      *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
      *           associative array of retry settings parameters. See the documentation on
@@ -2087,6 +2093,10 @@ public function searchCatalog($scope, $query, array $optionalArgs = [])
             $request->setOrderBy($optionalArgs['orderBy']);
         }
 
+        if (isset($optionalArgs['adminSearch'])) {
+            $request->setAdminSearch($optionalArgs['adminSearch']);
+        }
+
         return $this->getPagedListResponse('SearchCatalog', $optionalArgs, SearchCatalogResponse::class, $request);
     }