@cosmetic stale bot config

.github/stale.yml

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+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 60
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 7
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - feature request
+  - parser
+# Label to use when marking an issue as stale
+staleLabel: stale
+# 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. Please verify that this is still an issue with the latest version of Radarr and report back. Else this issue will be closed.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false