Update drone.yml

drone.yml

     passphrase: 
       from_secret: gpg-pass
     detach_sign: true
-    clear_sign: true
+    clear_sign: false
     files:
       - release/*
     excludes:
-      - release/*.md5
+      - release/*.asc
 
 # http://plugins.drone.io/drone-plugins/drone-gitea-release/
 # https://github.com/drone-plugins/drone-gitea-release