[ci,codespell] add workflow running codespell

.github/workflows/codespell.yml

@@ -0,0 +1,26 @@
+name: codespell
+on:
+  workflow_dispatch:
+    branches: [ master, stable* ]
+  pull_request:
+    branches: [ master, stable* ]
+  schedule:
+    - cron: '30 4 * * SUN'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: "codespell"
+    steps:
+      - name: "Check out source"
+        uses: actions/checkout@v4
+
+      - name: "Prepare environment"
+        run: |
+          sudo apt-get update -q -y
+          sudo apt-get install -q -y \
+            codespell
+
+      - name: "Run codespell..."
+        run: |
+          ./scripts/codespell.sh