Migrate to GHA stale action

Signed-off-by: Jordan Borean <jborean93@gmail.com>

Author: jborean93

.github/stale.yml

@@ -0,0 +1,29 @@
+name: Stale handler
+on:
+  schedule:
+  - cron: 0 0 * * *
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/stale@4.0.0
+      id: stale
+      with:
+        days-before-stale: 28
+        days-before-close: 14
+        exempt-issue-labels: bug,enhancement
+        exempt-pr-labels: bug,enhancement
+        stale-issue-label: stale
+        stale-pr-label: stale
+        stale-issue-message: >-
+          This issue is stale because it has been open for 4 weeks with no activity.
+          Remove stale label or comment or this will be closed in 2 weeks.
+        stale-pr-message: >-
+          This pull request is stale because it has been open for 4 weeks with no activity.
+          Remove stale label or comment or this will be closed in 2 weeks.