Add git clone config

.drone.yml

@@ -1,3 +1,8 @@
+clone:
+  git:
+    image: plugins/git
+    depth: 1
+
 pipeline:
   build:
     image: node:16-alpine
@@ -5,4 +10,3 @@ pipeline:
       - npm install -g yarn
       - yarn test
       - make build
-