Update 60-days-stale-check.yml (#18504)

Expand stalebot to catch old content issues

Co-authored-by: Chiedo John <2156688+chiedo@users.noreply.github.com>

Author: myarb

.github/workflows/60-days-stale-check.yml

@@ -20,7 +20,7 @@ jobs:
           stale-pr-message: 'This PR is stale because it has been open 60 days with no activity.'
           days-before-stale: 60
           days-before-close: -1
-          only-labels: 'engineering'
+          only-labels: 'engineering,Triaged,Improve existing docs,Core,Ecosystem'
           stale-issue-label: 'stale'
           stale-pr-label: 'stale'
           exempt-pr-labels: 'never-stale'