Update stale.yml (#20)

Author: fwerkor

.github/workflows/stale.yml

@@ -25,3 +25,4 @@ jobs:
         stale-pr-message: 'Stale pull request message'
         stale-issue-label: 'no-issue-activity'
         stale-pr-label: 'no-pr-activity'
+        days-before-close: 1000000