fix deploy: use default package manager repos instead of broken mirror

.gitea/workflows/deploy.yml

@@ -12,10 +12,11 @@ jobs:
     steps:
       - name: Install SSH client
         run: |
-          V=$(cut -d'.' -f1-2 /etc/alpine-release)
-          echo "https://linux-mirror.liara.ir/repository/alpine/v$V/main" > /etc/apk/repositories
-          echo "https://linux-mirror.liara.ir/repository/alpine/v$V/community" >> /etc/apk/repositories
-          apk add --no-cache openssh-client
+          if command -v apk >/dev/null 2>&1; then
+            apk add --no-cache openssh-client
+          elif command -v apt-get >/dev/null 2>&1; then
+            apt-get update -qq && apt-get install -y -qq openssh-client
+          fi
       - name: Setup SSH key
         env:
           SSH_KEY: ${{ secrets.DEPLOY_KEY }}