chore: processing stale issue

.github/workflows/remove-assignees.yml

@@ -0,0 +1,20 @@
+name: 'Remove Assignees for stale issue'
+on:
+  issues:
+    types: [labeled]
+
+permissions:
+  issues: write
+
+jobs:
+  remove-assignees:
+    if: github.event.label.name == 'stale'
+    runs-on: ubuntu-latest
+    steps:
+      - name: 이슈 할당 해제
+        run: |
+          curl -X PATCH \
+            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            -H "Accept: application/vnd.github.v3+json" \
+            "https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}" \
+            -d '{"assignees":[]}'

.github/workflows/stale-issue.yml

@@ -0,0 +1,29 @@
+name: 'Stale Issue'
+on:
+  schedule:
+    - cron: '0 1 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          days-before-stale: 30 
+          days-before-close: -1
+
+          stale-issue-message: '30일 동안 작업이 없어 할당을 해제합니다.'
+          stale-issue-label: 'stale'
+          exempt-issue-labels: 'DO NOT CLOSE OR MERGE,discussion,term,TIP'
+
+          days-before-pr-stale: -1
+
+          labels-to-remove-when-unstale: 'stale'
+
+          include-only-assigned: true
+