chore: automation around v2 issues

Signed-off-by: Hank Donnay <hdonnay@redhat.com>

.github/ISSUE_TEMPLATE.md

@@ -1,6 +1,7 @@
 <!--
 
-Project discussion and other meta topics should be discussed on the mailing list.
+Project discussion and other meta topics should be discussed on the mailing
+list or in the discussions section.
 
 GitHub issues are ONLY for bugs and features for the Clair API.
 Please first create an issue on your client's repository before opening one here.
@@ -21,6 +22,7 @@ Your problem might be solved by switching to a stable release.
 ### Actual Outcome
 
 <!--- your content here --->
+<!-- Please attach or paste logs from both clair and clairctl. -->
 
 ### Environment
 
@@ -29,6 +31,8 @@ Your problem might be solved by switching to a stable release.
 Issues that do not contain the Environment section are AUTOMATICALLY CLOSED.
 If you're making a feature request, please specify "N/A" under the environment section.
 
+Please note that issues against Clair v2 will be closed automatically unless
+someone has volunteered to work on it.
 -->
 
 - Clair version/image: 

.github/workflows/v2-issues.yml

@@ -0,0 +1,27 @@
+name: 'Manage v2 Issues'
+on:
+  workflow_dispatch:
+    inputs:
+      debug:
+        description: 'Run in debug mode (i.e. dry-run)'
+        required: false
+        default: false
+  schedule:
+    - cron: '30 1 * * *'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v4
+        with:
+          only-labels: 'V2'
+          exempt-issue-labels: 'V2/active'
+          days-before-stale: 14
+          days-before-issue-stale: 0
+          days-before-close: 14
+          remove-stale-when-updated: false
+          ignore-updates: true
+          debug-only: ${{ github.event.inputs.debug || false }}
+          enable-statistics: true
+          operations-per-run: 1000