Config lock bot (#13624)

* config lock bot

* Update .github/lock.yml

.github/lock.yml

+# Configuration for Lock Threads - https://github.com/dessant/lock-threads-app
+
+# Number of days of inactivity before a closed issue or pull request is locked
+daysUntilLock: 60
+
+# Skip issues and pull requests created before a given timestamp. Timestamp must
+# follow ISO 8601 (`YYYY-MM-DD`). `false` is disabled
+skipCreatedBefore: false
+
+# Issues and pull requests with these labels will be ignored.
+exemptLabels: []
+
+# Label to add before locking, such as `outdated`. `false` is disabled
+lockLabel: false
+
+# Comment to post before locking.
+lockComment: >
+  This thread has been automatically locked since there has not been
+  any recent activity after it was closed. Please open a new issue for
+  related bugs and link to relevant comments in this thread.
+
+# Assign `resolved` as the reason for locking. Set to `false` to disable
+setLockReason: true