[CI] update stale trigger to 90d (#1768)

.github/workflows/stale.yml

@@ -12,12 +12,12 @@ jobs:
     steps:
       - uses: actions/stale@v4.1.1
         with:
-          days-before-issue-stale: 30
-          days-before-issue-close: 7
+          days-before-issue-stale: 90
+          days-before-issue-close: 14
           stale-issue-label: "stale"
-          stale-issue-message: "This issue is stale because it has been open for 30 days with no activity."
-          close-issue-message: "This issue was closed because it has been inactive for 7 days since being marked as stale."
-          days-before-pr-stale: 60
-          days-before-pr-close: 7
+          stale-issue-message: "This issue is stale because it has been open for 90 days with no activity."
+          close-issue-message: "This issue was closed because it has been inactive for 14 days since being marked as stale."
+          days-before-pr-stale: 90
+          days-before-pr-close: 14
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           exempt-issue-labels: "enhancement"