Update actions

Author: stefmolin

.github/dependabot.yml

@@ -9,3 +9,7 @@ updates:
     schedule:
       # Check for updates to GitHub Actions every month
       interval: "monthly"
+    groups:
+      actions:
+        patterns:
+          - "*"

.github/workflows/static.yml

@@ -31,19 +31,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout content
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
         with:
           path: content
 
       - name: Checkout thank-you-slide
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
         with:
           repository: stefmolin/thank-you-slide
           token: ${{ secrets.SLIDES_PUBLISHING_TOKEN }}
           path: thank-you-slide
 
       - name: Checkout ezslides
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
         with:
           repository: stefmolin/ezslides
           token: ${{ secrets.SLIDES_PUBLISHING_TOKEN }}
@@ -56,7 +56,7 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b  # v5.0.0
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa  # v3.0.1
+        uses: actions/upload-pages-artifact@7b1f4a764d45c48632c6b24a0339c27f5614fb0b  # v4.0.0
         with:
           path: slides
       - name: Deploy to GitHub Pages