GitHub issue template polishing and stale issues action

.github/ISSUE_TEMPLATE/Bug_report.md

@@ -11,6 +11,7 @@ labels: 'type: waiting-for-triage'
 #### Current Behavior
 
 <!-- A clear and concise description of the behavior.-->
+<!-- See https://stackoverflow.com/help/minimal-reproducible-example for details of what a good minimum reproducible example is -->
 
 <details>
 <summary>Stack trace</summary>

.github/ISSUE_TEMPLATE/config.yml

@@ -3,5 +3,5 @@ contact_links:
     url: https://github.com/lettuce-io/lettuce-core/discussions
     about: Use GitHub discussions to discuss an enhancement proposal or if you have a question
    - name: Questions
-    url: https://gitter.im/lettuce-io/Lobby
-    about: Please ask questions on Gitter or StackOverflow.
+    url: https://discord.gg/redis
+    about: Please ask questions on Discord or StackOverflow.

.github/workflows/stale-issues.yml

@@ -0,0 +1,26 @@
+name: "Close stale issues"
+on:
+  schedule:
+    - cron: "0 0 * * *"          # once a day at midnight
+
+permissions: {}
+jobs:
+  stale:
+    permissions:
+      issues: write              # to close stale issues (actions/stale)
+      pull-requests: write       # to close stale PRs (actions/stale)
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v3
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          stale-issue-message: 'This issue is marked stale. It will be closed in 30 days if it is not updated.'
+          stale-pr-message: 'This pull request is marked stale. It will be closed in 30 days if it is not updated.'
+          days-before-stale: 365
+          days-before-close: 30
+          stale-issue-label: "stale"
+          stale-pr-label: "stale"
+          operations-per-run: 10
+          remove-stale-when-updated: false
+          only-labels: "status: waiting-for-feedback"