Make repo-sync run once every 3 hours (#51578)

.github/workflows/repo-sync-stalls.yml

@@ -1,64 +0,0 @@
-name: Repo Sync Stalls
-
-# **What it does**: This lets us know in Slack if repo-sync doesn't happen in a timely manner.
-# **Why we have it**: We want repo-sync to keep the two repositories in sync with each other.
-# **Who does it impact**: Open-source contributors, docs engineering.
-
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: '20 */2 * * *' # Run every 2nd hour at 20 minutes after
-
-permissions:
-  contents: read
-  pull-requests: read
-
-jobs:
-  repo-sync-stalls:
-    if: github.repository == 'github/docs-internal' || github.repository == 'github/docs'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check if repo sync is stalled
-        uses: actions/github-script@e69ef5462fd455e02edcaf4dd7708eda96b9eda0
-        with:
-          script: |
-            let pulls;
-            const owner = context.repo.owner
-            const repo = context.repo.repo
-            try {
-              pulls = await github.rest.pulls.list({
-                owner: owner,
-                repo: repo,
-                head: `${owner}:repo-sync`,
-                state: 'open'
-              });
-            } catch(err) {
-              throw err
-              return
-            }
-
-            // Remove all pull requests that don't have the
-            // 'automated-reposync-pr' label
-            pulls.data = pulls.data.filter(pr =>
-              pr.labels.some(label => label.name === 'automated-reposync-pr')
-            )
-
-            // Search for pull requests that have been open too long
-            pulls.data.forEach(pr => {
-              const timeDelta = Date.now() - Date.parse(pr.created_at);
-              const minutesOpen = timeDelta / 1000 / 60;
-
-              if (minutesOpen > 180) {
-                core.setFailed('Repo sync appears to be stalled')
-              }
-            })
-
-      - name: Check out repo
-        if: ${{ failure() && github.event_name != 'workflow_dispatch' }}
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
-      - uses: ./.github/actions/slack-alert
-        if: ${{ failure() && github.event_name != 'workflow_dispatch' }}
-        with:
-          slack_channel_id: ${{ secrets.DOCS_ALERTS_SLACK_CHANNEL_ID }}
-          slack_token: ${{ secrets.SLACK_DOCS_BOT_TOKEN }}

.github/workflows/repo-sync.yml

@@ -10,7 +10,7 @@ name: Repo Sync
 on:
   workflow_dispatch:
   schedule:
-    - cron: '20,50 * * * *' # Run every hour at 20 and 50 minutes after
+    - cron: '20 */3 * * *' # Run every 3rd hour at 20 minutes after
 
 permissions:
   contents: write