build: update proto comments for better explanation of parent parameter

PiperOrigin-RevId: 519331416

Source-Link: googleapis/googleapis@ab54277

Source-Link: googleapis/googleapis-gen@d322b8d
Copy-Tag: eyJwIjoiYXBpcy9Hb29nbGUuQ2xvdWQuRGF0YUNhdGFsb2cuTGluZWFnZS5WMS8uT3dsQm90LnlhbWwiLCJoIjoiZDMyMmI4ZDJlNDczMDcyOWVhYWViODcxMzI1Yzk4OWY1MzQ4MzkzOSJ9

apis/Google.Cloud.DataCatalog.Lineage.V1/Google.Cloud.DataCatalog.Lineage.V1/Lineage.g.cs

@@ -6608,7 +6608,7 @@ public sealed partial class SearchLinksRequest : pb::IMessage<SearchLinksRequest
     public const int ParentFieldNumber = 1;
     private string parent_ = "";
     /// <summary>
-    /// Required. The project and location you want search in.
+    /// Required. The project and location you want search in the format `projects/*/locations/*`
     /// </summary>
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     [global::System.CodeDom.Compiler.GeneratedCode("protoc", null)]
@@ -7649,7 +7649,7 @@ public sealed partial class BatchSearchLinkProcessesRequest : pb::IMessage<Batch
     public const int ParentFieldNumber = 1;
     private string parent_ = "";
     /// <summary>
-    /// Required. The project and location where you want to search.
+    /// Required. The project and location you want search in the format `projects/*/locations/*`
     /// </summary>
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     [global::System.CodeDom.Compiler.GeneratedCode("protoc", null)]