Fix Stalebot settings to not auto-close old issues/PRs (#433)

Signed-off-by: Per Lundberg <perlun@gmail.com>

.github/stale.yml

@@ -1,22 +1,25 @@
+# Probot: Stale
+# https://github.com/probot/stale
+
 # 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
+# Set to false to disable. If disabled, issues still need to be closed
+# manually, but will remain marked as stale.
+daysUntilClose: false
 
 # Issues with these labels will never be considered stale
 exemptLabels:
   - pinned
   - security
 
 # Label to use when marking an issue as stale
-staleLabel: wontfix
+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. It will be closed if no further activity occurs. Thank you
-  for your contributions.
+  A friendly reminder that this issue had no activity for 60 days.
 
 # Comment to post when closing a stale issue. Set to `false` to disable
 closeComment: false