Disable stale bot (#313)

Per discussion in issue #310, the stale bot is now considered a
bad user experience. Change days before stale and close to a high number
to disable it, as we cannot remove this configuration until the
integration is also removed.

Co-authored-by: Matt Finkel <mattf@ziprecruiter.com>

Author: fffinkel

.github/workflows/stale.yml

@@ -14,6 +14,6 @@ jobs:
           This issue has been automatically marked as stale because it has not had
           recent activity in the last 60 days. It will be closed in 7 days if no further activity occurs.
           Thank you for your contributions.
-        days-before-stale: 60
-        days-before-close: 7
-        stale-issue-label: stale
+        days-before-stale: 9999
+        days-before-close: 9999
+        stale-issue-label: stale