update config so it stalebot wait 90 days before closing (#1823)

Author: sagpatil

.github/workflows/stale.yml

@@ -13,9 +13,9 @@ jobs:
         with:
           debug-only: false
           days-before-stale: 30
-          days-before-close: 30
-          stale-issue-message: 'This issue is stale because it has been assigned for 30 days with no activity. It will be closed in 30 days unless the stale label is removed, and the assignee is removed or updated.'
-          stale-pr-message: 'This pull request is stale because it has been open for 30 days with no activity. It will be closed in 30 days unless the stale label is removed.'
+          days-before-close: 90
+          stale-issue-message: 'This issue is stale because it has been assigned for 30 days with no activity. It will be closed in 90 days unless the stale label is removed, and the assignee is removed or updated.'
+          stale-pr-message: 'This pull request is stale because it has been open for 30 days with no activity. It will be closed in 90 days unless the stale label is removed.'
           stale-issue-label: stale
           stale-pr-label: stale
           remove-stale-when-updated: true