ci(github-pages.yml): Update workflows

Author: tschmidtb51

.github/workflows/github-pages.yml

@@ -27,10 +27,10 @@ jobs:
              cd $GITHUB_WORKSPACE
       - name: Checkout current repo
         if: ${{ env.RUN_NEEDED == 'true' }}
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Checkout built GitHub Pages from Secvisogram repo
         if: ${{ env.RUN_NEEDED == 'true' }}
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
            repository: secvisogram/secvisogram
            ref: gh-pages
@@ -42,7 +42,7 @@ jobs:
              rm -rf .git             
       - name: Deploy to GitHub Pages
         if: ${{ env.RUN_NEEDED == 'true' }}
-        uses: crazy-max/ghaction-github-pages@v2
+        uses: crazy-max/ghaction-github-pages@v4
         with:
           repo: secvisogram/secvisogram.github.io
           target_branch: gh-pages