Move go get to go install

.drone.yml

@@ -4,12 +4,12 @@ name: default
 
 steps:
   - name: lint
-    image: golang:latest
+    image: golang
     volumes:
       - name: deps
         path: /go
     commands:
-      - go get -u github.com/golangci/golangci-lint/cmd/golangci-lint
+      - go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
       - golangci-lint run
 
   - name: test