build: add auto-approve condition to test (#468)

* build: add auto-approve condition to test

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/master/packages/owl-bot/README.md
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

.github/auto-approve.yml

@@ -4,4 +4,9 @@ rules:
   changedFiles:
   - "package\\.json$"
   - "CHANGELOG\\.md$"
-  maxFiles: 3
+  maxFiles: 3
+- author: "renovate-bot"
+  title: "^(fix\\(deps\\)|chore\\(deps\\)):"
+  changedFiles: 
+  - "/package\\.json$"
+  maxFiles: 2

.gitignore

@@ -10,3 +10,4 @@ system-test/*key.json
 package-lock.json
 build/
 __pycache__
+.DS_Store

owlbot.py

@@ -0,0 +1,17 @@
+# 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.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+"""This script is used to synthesize generated parts of this library."""
+import synthtool.languages.node as node
+
+node.owlbot_main(templates_excludes=['.github/auto-approve.yml'])