update drone

.drone.jsonnet

@@ -24,12 +24,17 @@ local Pipeline(os, release) = {
         auto_tag: false,
         force_tag: true,
         daemon_off: false,
+      },
+      when: {
+        event: {
+          include: [
+            "tag",
+            "cron"
+          ],
+        },
       }
-    }
+    }    
-  ],
+  ]
-  trigger: {
-    event: ['tag'],
-  }
 };
 
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