fix: Use bot to commit repo branch

.github/scripts/commit-repo.sh

@@ -2,12 +2,12 @@
 set -e
 
 rsync -a --delete --exclude .git --exclude .gitignore ../master/repo/ .
-git config --global user.email "github-actions[bot]@users.noreply.github.com"
+git config --global user.email "aniyomi-bot@aniyomi.org"
-git config --global user.name "github-actions[bot]"
+git config --global user.name "aniyomi-bot[bot]"
 git status
 if [ -n "$(git status --porcelain)" ]; then
     git add .
-    git commit -m "Update extensions repo"
+    git commit -S -m "Update extensions repo"
     git push
 
     # Purge cached index on jsDelivr

.github/workflows/build_push.yml

@@ -226,6 +226,15 @@ jobs:
         with:
           ref: repo
           path: repo
+          token: ${{ secrets.ANIYOMIORG_BOT_PAT }}
+
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v5
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+          git_user_signingkey: true
+          git_commit_gpgsign: true
 
       - name: Deploy repo
         run: |