use scp instead of sftp

.drone.yml

@@ -11,21 +11,22 @@ steps:
       - npm install
       - npm run generate
   - name: deploy
-    image: cschlosser/drone-ftps
+    image: garionion/drone-scp
     volumes:
       - name: dist
         path: /dist
     environment:
-      FTP_USERNAME:
+      SSH_KEY:
+        from_secret: ssh-key
+      USERNAME:
         from_secret: username
-      FTP_PASSWORD:
-        from_secret: password
-      PLUGIN_HOSTNAME: web-1.fem.tu-ilmenau.de:21
-      PLUGIN_SRC_DIR: /dist/
-      PLUGIN_DEST_DIR: /iswision.de/www/public_html/iswision2021
+      HOSTNAME: web-1.fem.tu-ilmenau.de
+      DEST_DIR: '/iswision.de/www/public_html/iswision2021'
+      SRC_DIR: '/dist/*'
     when:
       branch:
         - main
+
 volumes:
   - name: dist
     temp: {}