fix: do not modify options object, use defaultScopes (#819)

* fix: do not modify options object, use defaultScopes

Regenerated the library using gapic-generator-typescript v1.2.1.

* fix(deps): require google-gax ^2.9.2

* fix: generated pack test

package.json

@@ -55,7 +55,7 @@
     "dot-prop": "^6.0.0",
     "escape-string-regexp": "^4.0.0",
     "extend": "^3.0.2",
-    "google-gax": "^2.6.1",
+    "google-gax": "^2.9.2",
     "is": "^3.0.1",
     "is-utf8": "^0.2.1",
     "lodash.snakecase": "^4.1.1",

protos/google/bigtable/admin/v2/bigtable_instance_admin.proto

@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC.
+// Copyright 2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -11,7 +11,6 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-//
 
 syntax = "proto3";
 
@@ -565,9 +564,11 @@ message DeleteAppProfileRequest {
     }
   ];
 
-  // If true, ignore safety checks when deleting the app profile.
-  bool ignore_warnings = 2;
+  // Required. If true, ignore safety checks when deleting the app profile.
+  bool ignore_warnings = 2 [(google.api.field_behavior) = REQUIRED];
 }
 
 // The metadata for the Operation returned by UpdateAppProfile.
-message UpdateAppProfileMetadata {}
+message UpdateAppProfileMetadata {
+
+}