chore: add workflow for stale prs and issue type bug (#2580)

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: MatteoGabriele

.github/workflows/stale.yml

@@ -0,0 +1,41 @@
+name: Stale Issues and PRs
+
+on:
+  schedule:
+    # Run daily at 2 AM UTC
+    - cron: '0 2 * * *'
+  workflow_dispatch: # Allow manual trigger
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale-bugs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f
+        with:
+          days-before-issue-stale: 30
+          days-before-issue-close: 7
+          days-before-pr-stale: -1
+          days-before-pr-close: -1
+          remove-stale-when-updated: true
+          only-issue-types: 'bug'
+          stale-issue-label: 'stale'
+          close-issue-label: 'stale'
+          operations-per-run: 500
+
+  stale-prs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f
+        with:
+          days-before-issue-stale: -1
+          days-before-issue-close: -1
+          days-before-pr-stale: 30
+          days-before-pr-close: 7
+          remove-stale-when-updated: true
+          stale-pr-label: 'stale'
+          close-pr-label: 'stale'
+          operations-per-run: 500