Add action to lock issues/PR. (#1508)

.github/workflows/lock.yaml

@@ -0,0 +1,33 @@
+name: 'Lock Threads'
+
+on:
+  push:
+    branches:
+      - dev
+      - master
+    tags:
+      - v*
+  pull_request:
+    branches:
+      - dev
+  schedule:
+    # Every night at 02:20 UTC.
+    - cron: '20 2 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+
+concurrency:
+  group: lock
+
+jobs:
+  action:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v4
+        with:
+          github-token: ${{ github.token }}
+          issue-inactive-days: '10'
+          pr-inactive-days: '10'

.github/workflows/stale.yml

@@ -3,12 +3,11 @@ name: Mark stale issues and pull requests
 on:
   schedule:
   - cron: "30 1 * * *"
+  workflow_dispatch:
 
 jobs:
   stale:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/stale@v3
       with:
@@ -22,8 +21,6 @@ jobs:
         days-before-issue-close: 5
         days-before-pr-close: 10
         stale-issue-label: 'no-issue-activity'
-        exempt-issue-labels: 'Bug,Enhancements,Investigating,in progress,Documentation Update Required,3.x'
+        exempt-issue-labels: 'Bug,Enhancements,Investigating'
         stale-pr-label: 'no-pr-activity'
-        exempt-pr-labels: 'IN REVIEW,Reviewing,Draft,in progress,3.x,2.5.0'
         remove-stale-when-updated: true
-#         only-labels: "More Information Required, Not an Issue, question, Won't Do"