chore(stale): Increase PR stale time action (#285)

Author: xmnlab

.github/workflows/stale.yaml

@@ -15,10 +15,10 @@ jobs:
       - name: Close stale pull requests
         uses: actions/stale@v9.1.0
         with:
-          days-before-pr-stale: 5
-          days-before-pr-close: 5
+          days-before-pr-stale: 30
+          days-before-pr-close: 60
           stale-pr-label: stale
           stale-pr-message: |
             This pull request has been marked as stale because it has been
-            inactive for more than 5 days. Please update this pull request
-            or it will be automatically closed in 5 days.
+            inactive for more than 30 days. Please update this pull request
+            or it will be automatically closed soon.