fix build on publish

.drone.yml

@@ -19,6 +19,8 @@ steps:
 - name: push
   image: rust:1-alpine
   commands:
+  - apk add --no-cache musl-dev
+  - cargo build -p chgk_ledb_lib
   - cargo publish --registry gitea -p chgk_ledb_lib
   environment:
     CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse