implemented #3606 - added stale bot config

.github/stale.yaml

@@ -0,0 +1,22 @@
+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 14
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 7
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - "status: accepted"
+  - "status: gathering feedback"
+# Label to use when marking an issue as stale
+staleLabel: wontfix
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. NetBox
+  is governed by a small group of core maintainers which means not all opened
+  issues may receive direct feedback. Please see our [contributing guide](https://github.com/netbox-community/netbox/blob/develop/CONTRIBUTING.md).
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: >
+  This issue has been automatically closed due to lack of activity. In an
+  effort to reduce noise, please do not comment any further. Note that the
+  core maintainers may elect to reopen this issue at a later date if deemed
+  necessary.