fix deploy workflow - use direct ssh

.forgejo/workflows/deploy.yml

@@ -9,18 +9,18 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
       - name: Deploy to Infomaniak VM
-        uses: appleboy/ssh-action@v1.0.3
-        with:
-          host: api.poweron.swiss
-          username: ubuntu
-          key: ${{ secrets.SSH_PRIVATE_KEY }}
-          script: |
-            cd /srv/gateway/current
-            git pull
-            source .venv/bin/activate
-            pip install -r requirements.txt --no-cache-dir
+        env:
+          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
+        run: |
+          mkdir -p ~/.ssh
+          echo "$SSH_PRIVATE_KEY" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=no ubuntu@api.poweron.swiss "
+            cd /srv/gateway/current &&
+            git pull &&
+            source .venv/bin/activate &&
+            pip install -r requirements.txt --no-cache-dir &&
             sudo systemctl restart gateway
+          "
+