fix: hugo extended

- [x] delete pr-label-checker action, not needed anymore
- [x] update dependabot to group PRs
- [x] use SHAs for github actions instead of tags

Signed-off-by: jmeridth <[email protected]>

Author: jmeridth

.github/dependabot.yml

@@ -7,3 +7,9 @@ updates:
       interval: "daily"
     commit-message:
       prefix: "chore(deps)"
+    groups:
+      dependencies:
+        applies-to: version-updates
+        update-types:
+          - "minor"
+          - "patch"

.github/workflows/gh-pages.yaml

@@ -10,21 +10,22 @@ jobs:
   deploy:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # tag v4.1.4
         with:
           submodules: true
           fetch-depth: 0
 
       - name: Setup Hugo
-        uses: peaceiris/actions-hugo@v3
+        uses: peaceiris/actions-hugo@75d2e84710de30f6ff7268e08f310b60ef14033f # tag v3.0.0
         with:
           hugo-version: 'latest'
+          extended: true
 
       - name: Build
         run: hugo --minify
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v4
+        uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # tag v4.0.0
         if: github.ref == 'refs/heads/main'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}