Update actions/checkout action to v3

renovate[bot] · web-flow · commit c6973322d688 · 2022-10-16T21:27:04.000Z
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout main
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Deploy docs
         uses: mhausenblas/mkdocs-deploy-gh-pages@master
         env:
