GHA: Don't close untriaged or assigned issues automatically

In addition, shorten `days-before-stale` for triaged issues.

Signed-off-by: Takuro Ashie <[email protected]>

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -1,5 +1,6 @@
 name: Bug Report
 description: Create a report with a procedure for reproducing the bug
+labels: "waiting-for-triage"
 body:
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -1,5 +1,6 @@
 name: Feature request
 description: Suggest an idea for this project
+labels: "waiting-for-triage"
 body:
   - type: markdown
     attributes:

.github/workflows/stale-actions.yml

@@ -10,13 +10,15 @@ jobs:
     - uses: actions/stale@v8
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
-        days-before-stale: 90
+        days-before-stale: 30
         days-before-close: 30
-        stale-issue-message: "This issue has been automatically marked as stale because it has been open 90 days with no activity. Remove stale label or comment or this issue will be closed in 30 days"
+        stale-issue-message: "This issue has been automatically marked as stale because it has been open 30 days with no activity. Remove stale label or comment or this issue will be closed in 30 days"
         stale-pr-message: "This PR has been automatically marked as stale because it has been open 90 days with no activity. Remove stale label or comment or this PR will be closed in 30 days"
         close-issue-message: "This issue was automatically closed because of stale in 30 days"
         close-pr-message: "This PR was automatically closed because of stale in 30 days"
         stale-pr-label: "stale"
         stale-issue-label: "stale"
-        exempt-issue-labels: "bug,enhancement,feature request,pending,work_in_progress,v1,v2"
-        exempt-pr-labels: "bug,enhancement,feature request,pending,work_in_progress,v1,v2"
+        exempt-issue-labels: "waiting-for-triage,bug,enhancement,feature request,pending,work_in_progress,v1,v2"
+        exempt-pr-labels: "waiting-for-triage,bug,enhancement,feature request,pending,work_in_progress,v1,v2"
+        exempt-all-assignees: true
+        exempt-all-milestones: true