add workflows to automate aged issues management (#289)

Signed-off-by: Vadym Blauta <[email protected]>

Author: anoruxylene

.github/workflows/stale.yaml

@@ -0,0 +1,38 @@
+name: 'Mark stale issues'
+
+on:
+  schedule:
+    - cron: '0 1 * * *'
+
+jobs:
+  stale-issues:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - name: 'Mark stale issues'
+        uses: actions/stale@v9
+        with:
+          days-before-issue-stale: 90
+          days-before-pr-stale: -1
+          days-before-close: -1
+          stale-issue-label: 'lifecycle/stale'
+          exempt-issue-labels: 'lifecycle/rotten'
+
+      - name: 'Mark rotten issues'
+        uses: actions/stale@v9
+        with:
+          days-before-issue-stale: 30
+          days-before-pr-stale: -1
+          days-before-close: -1
+          stale-issue-label: 'lifecycle/rotten'
+          only-labels: 'lifecycle/stale'
+          labels-to-remove-when-stale: 'lifecycle/stale'
+
+      - name: 'Close rotten issues'
+        uses: actions/stale@v9
+        with:
+          days-before-stale: -1
+          days-before-issue-close: 30
+          days-before-pr-close: -1
+          stale-issue-label: 'lifecycle/rotten'

.github/workflows/unstale.yaml

@@ -0,0 +1,27 @@
+name: 'Unstale Issue'
+
+on:
+  issues:
+    types: [ reopened ]
+  issue_comment:
+    types: [ created ]
+
+jobs:
+  remove-stale:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    if: >-
+      github.event.issue.state == 'open' &&
+      (contains(github.event.issue.labels.*.name, 'lifecycle/stale') || 
+       contains(github.event.issue.labels.*.name, 'lifecycle/rotten'))
+    steps:
+      - name: 'Checkout repository'
+        uses: actions/checkout@v4
+
+      - name: 'Remove stale labels'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          echo "Removing 'stale' label from issue #${{ github.event.issue.number }}"
+          gh issue edit ${{ github.event.issue.number }} --remove-label "lifecycle/stale,lifecycle/rotten"