fix: Reenable staleness bot (#632)

* Reenable staleness bot

Reenable staleness bot on the repo

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* Update owlbot.py

* Update auto-label.yaml

* Update owlbot.py

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: losalex

.github/auto-label.yaml

@@ -1,2 +1,19 @@
+# Copyright 2022 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.
 requestsize:
   enabled: true
+staleness:
+  pullrequest: true
+  old: 30
+  extraold: 60

owlbot.py

@@ -21,5 +21,5 @@
 
 common_templates = gcp.CommonTemplates()
 templates = common_templates.node_library()
-s.copy(templates)
+s.copy(templates, excludes=[".github/auto-label.yaml"])
 node.fix_hermetic()