new action for stale issue cleanup

.github/ISSUE_TEMPLATE/---bug-report.md

@@ -9,6 +9,9 @@ assignees: ''
 
 Confirm by changing [ ] to [x] below to ensure that it's a bug:
 - [ ] I've searched for [previous similar issues](https://github.com/aws/aws-iot-device-sdk-cpp-v2/issues/) and didn't find any solution
+
+**Known Issue**
+- [ ] I'm using ATS data type endpoint: the endpoint should look like `<prefix>-ats.iot.<region>.amazonaws.com`
 
 **Describe the bug**
 A clear and concise description of what the bug is.

.github/ISSUE_TEMPLATE/---questions-help.md

@@ -10,6 +10,9 @@ assignees: ''
 Confirm by changing [ ] to [x] below:
 - [ ] I've searched for [previous similar issues](https://github.com/aws/aws-iot-device-sdk-cpp-v2/issues/) and didn't find any solution
 
+**Known Issue**
+- [ ] I'm using ATS data type endpoint: the endpoint should look like `<prefix>-ats.iot.<region>.amazonaws.com`
+
 **Platform/OS/Device**
 What are you running the sdk on?
 

.github/workflows/stale_issue.yml

@@ -0,0 +1,46 @@
+name: "Close stale issues"
+
+# Controls when the action will run.
+on:
+  schedule:
+    - cron: "*/60 * * * *"
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    name: Stale issue job
+    steps:
+    - uses: aws-actions/stale-issue-cleanup@v3
+      with:
+        # Setting messages to an empty string will cause the automation to skip
+        # that category
+        ancient-issue-message: Greetings! Sorry to say but this is a very old issue that is probably not getting as much attention as it deservers. We encourage you to check if this is still an issue in the latest release and if you find that this is still a problem, please feel free to open a new one.
+        stale-issue-message: Greetings! It looks like this issue hasn’t been active in longer than a week. We encourage you to check if this is still an issue in the latest release. Because it has been longer than a week since the last update on this, and in the absence of more information, we will be closing this issue soon. If you find that this is still a problem, please feel free to provide a comment or add an upvote to prevent automatic closure, or if the issue is already closed, please feel free to open a new one.
+        stale-pr-message: Greetings! It looks like this PR hasn’t been active in longer than a week, add a comment or an upvote to prevent automatic closure, or if the issue is already closed, please feel free to open a new one.
+
+        # These labels are required
+        stale-issue-label: closing-soon
+        exempt-issue-label: investigating
+        stale-pr-label: closing-soon
+        exempt-pr-label: pr/needs-review
+        response-requested-label: response-requested
+
+        # Don't set closed-for-staleness label to skip closing very old issues
+        # regardless of label
+        closed-for-staleness-label: closed-for-staleness
+
+        # Issue timing
+        days-before-stale: 15
+        days-before-close: 3
+        days-before-ancient: 365
+
+        # If you don't want to mark a issue as being ancient based on a
+        # threshold of "upvotes", you can set this here. An "upvote" is
+        # the total number of +1, heart, hooray, and rocket reactions
+        # on an issue.
+        minimum-upvotes-to-exempt: 1
+
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        loglevel: DEBUG
+        # Set dry-run to true to not perform label or close actions.
+        # dry-run: true