Chore: 1.9.0

# [1.9.0](https://git.rwth-aachen.de/coscine/app/project/compare/v1.8.0...v1.9.0) (2020-09-28)

### Fix

* Updated dependencies ([e30dd028](https://git.rwth-aachen.de/coscine/app/project/commit/e30dd028d7d91a831764b514cfc46524a199b956))

### New

* Add a method which gets the top level projects (coscine/issues#1049) ([9361d30d](https://git.rwth-aachen.de/coscine/app/project/commit/9361d30d3e80889586d598dfe4fa6faa5c644f3b)), closes [coscine/issues#1049](https://git.rwth-aachen.de/coscine/issues/issues/1049)

package.json

 {
   "name": "@coscine/project",
-  "version": "1.8.0",
+  "version": "1.9.0",
   "private": true,
   "directories": {
     "doc": "docs"