Update CI

.drone.yml

@@ -3,15 +3,8 @@ type: docker
 name: default
 
 steps:
-- name: DNS test
-  image: alpine
-  commands:
-  - apk add --update bind-tools
-  - dig gitea.squi.fr
-  - dig github.com
-  - dig git.rznet.fr
 
 - name: test
-  image: rust:1.30
+  image: rust:alpine
   commands:
   - cargo build --verbose --all