[CI] Chore: Update PR stale time to 7 days (#5417)

CNCT-2336

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## PR-Codex overview
This PR updates the configuration for stale issues and pull requests in the `.github/workflows/stale.yml` file, reducing the inactivity duration before marking them as stale and the time before they are closed.

### Detailed summary
- Changed `days-before-stale` from 30 to 7.
- Changed `days-before-close` from 5 to 2.

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Author: gregfromstl

.github/workflows/stale.yml

@@ -11,5 +11,5 @@ jobs:
         with:
           stale-issue-message: 'This issue has been inactive for 30 days. It is now marked as stale and will be closed in 5 days if no further activity occurs.'
           stale-pr-message: 'This PR has been inactive for 30 days. It is now marked as stale and will be closed in 5 days if no further activity occurs.'
-          days-before-stale: 30
-          days-before-close: 5
+          days-before-stale: 7
+          days-before-close: 2