Update some actions' versions in .github/workflows

diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 50d66c559705294e2c4099781d51e82543e39e16..3606797fddd7e634e9c98f22a2d5ea412cff6d23 100644 (file)
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -12,7 +12,7 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 1
 
@@ -20,7 +20,7 @@ jobs:
         uses: mattnotmitt/doxygen-action@v1
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         if: ${{ github.ref == 'refs/heads/master' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}