[stale-bot] Do not close pr

.github/workflows/stale-bot.yml

@@ -12,13 +12,11 @@ jobs:
       - uses: actions/stale@v5
         with:
           stale-issue-message: 'We are clearing up our old issues and your ticket has been open for 3 months with no activity. Remove stale label or comment or this will be closed in 2 days.'
-          stale-pr-message: 'We are clearing up our old Pull Requests and yours has been open for 3 months with no activity. Remove stale label or comment or this will be closed in 2 days.'
           close-issue-message: 'This issue was closed because it has been stalled for 2 days with no activity.'
-          close-pr-message: 'This PR was closed because it has been stalled for 2 days with no activity.'
           days-before-stale: 90
           days-before-close: 2
+          days-before-pr-stale: 999999999
+          days-before-pr-close: 1
           exempt-issue-labels: 'News,Medium,High,discussion,bug,doc,feature-request'
-          exempt-pr-labels: 'awaiting-approval,work-in-progress,enhancement,feature-request'
           exempt-issue-assignees: 'louislam'
-          exempt-pr-assignees: 'louislam'
           operations-per-run: 200