Add stale issues workflow

[skip ci]

.github/label-actions.yml

@@ -30,6 +30,13 @@ invalid:support:
   unlock: true
 
 invalid:template-incomplete:
+  issues:
     comment: >
       :wave: @{issue-author}, please edit your issue to complete the template with
-    all the required info. Thanks.
+      all the required info. Your issue will be automatically closed in 5 days if
+      the template is not completed. Thanks.
+  prs:
+    comment: >
+      :wave: @{issue-author}, please edit your PR to complete the template with
+      all the required info. Your PR will be automatically closed in 5 days if
+      the template is not completed. Thanks.

.github/workflows/issues-stale.yml

@@ -0,0 +1,48 @@
+name: Stale Issues / PRs
+
+on:
+  schedule:
+    - cron: '00 19 * * *'
+
+jobs:
+  stale:
+    name: Check Issues / PRs
+    runs-on: ubuntu-latest
+    steps:
+      - name: Stale
+        uses: actions/stale@v3
+        with:
+          stale-issue-message: >
+            This issue is stale because it has been open for 30 days with no activity.
+            Remove the stale label or comment, otherwise this will be closed in 5 days.
+          close-issue-message: >
+            This issue was closed because it has been stalled for 5 days with no activity.
+          stale-issue-label: stale
+          exempt-issue-labels: fixed:next-release,type:enhancement,status:awaiting-triage,status:in-progress
+          stale-pr-message: >
+            This PR is stale because it has been open for 30 days with no activity.
+            Remove the stale label or comment, otherwise this will be closed in 5 days.
+          close-pr-message: >
+            This PR was closed because it has been stalled for 5 days with no activity.
+          stale-pr-label: stale
+          exempt-pr-labels: status:in-progress
+          days-before-stale: 30
+          days-before-close: 5
+
+      - name: Invalid Template
+        uses: actions/stale@v3
+        with:
+          stale-issue-message: Invalid issues template.
+          close-issue-message: >
+            This issue was closed because the the template was not completed after 5 days.
+          stale-issue-label: invalid:template-incomplete
+          skip-stale-issue-message: true
+          stale-pr-message: Invalid PR template.
+          close-pr-message: >
+            This PR was closed because the the template was not completed after 5 days.
+          stale-pr-label: invalid:template-incomplete
+          exempt-pr-labels: status:in-progress
+          skip-stale-pr-message: true
+          only-labels: invalid:template-incomplete
+          days-before-stale: 0
+          days-before-close: 5

.github/workflows/issues.yml

@@ -9,7 +9,7 @@ jobs:
     name: Label Issues
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/label-actions@v2
+      - name: Label Issues
+        uses: dessant/label-actions@v2
         with:
           github-token: ${{ github.token }}
-          process-only: issues