chore(ci): Mark PRs stale after 7 days

.github/workflows/stale.yml

@@ -2,7 +2,7 @@ name: Close Stale PRs
 
 on:
   schedule:
-    - cron: "0 0 * * *"
+    - cron: "0 */12 * * *"
   workflow_dispatch:
 
 concurrency:
@@ -17,12 +17,12 @@ jobs:
     steps:
       - uses: actions/stale@eb5cf3af3ac0a1aa4c9c45633dd1ae542a27a899 # v10.3.0
         with:
-          days-before-pr-stale: 30
+          days-before-pr-stale: 7
           days-before-pr-close: 7
           days-before-issue-stale: -1
           days-before-issue-close: -1
           stale-pr-label: stale
-          stale-pr-message: "This PR has had no activity for 30 days and has been marked stale. It will be closed in 7 days if no further activity occurs."
+          stale-pr-message: "This PR has had no activity for 7 days and has been marked stale. We are moving to the monorepo and tightening PR staleness in preparation, so it will be closed in 7 days if no further activity occurs."
           close-pr-message: "Closing this PR due to inactivity. Feel free to reopen if you'd like to continue the work."
           exempt-pr-labels: "no stale,security"
           exempt-draft-pr: false