dev: fix actions/stale workflows

Correct datatype expectations and revise stale messages.

.github/workflows/triage.yml

@@ -8,18 +8,16 @@ jobs:
     steps:
       - uses: actions/stale@v3
         with:
-          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove the label or reply or this will be auto-closed in 7 days.'
+          stale-issue-message: >
-          exempt-issue-labels:
+            This issue has been automatically marked stale because of a lack of
-            - "needs-triage"
+            recent activity. If this issue is still valid, reply to it or remove
-            - "backlog"
+            the label, or it will be closed in 7 days.
-            - "2. status:confirmed"
+          stale-pr-message: >-
-          exempt-pr-labels:
+            This PR has been automatically marked stale because of a lack of
-            - "needs-triage"
+            recent activity. If this PR is still valid or a work in progress,
-            - "backlog"
+            replace or remove the label, or it will be closed in 7 days.
-            - "2. status:confirmed"
+          exempt-issue-labels: ':heart:,needs-triage,backlog,help wanted,1. announcement,2. status:confirmed'
-            - "2. status:archived"
+          exempt-pr-labels:    ':heart:,needs-triage,backlog,2. status:confirmed,2. status:archived,2. status:resolved-temporarily,2. status:waiting,2. status:needs-work'
-            - "2. status:resolved-temporarily"
-            - "2. status:waiting"
           stale-issue-label:   stale
           stale-pr-label:      stale
           exempt-milestones:   true