Update '.drone.yml'

.drone.yml

@@ -5,13 +5,14 @@ name: default
 steps:
   - name: deploy
     image: drillster/drone-rsync
+    environment:
+      RSYNC_KEY:
+        from_secret: ssh_key
+      RSYNC_USER:
+        from_secret: user
     settings:
       hosts: 
         - mastodon.bida.im
-      user:
-        from_secret: user
-      key:
-        from_secret: ssh_key
       source: ./
       target: ~/MastodonMegafono
       script: