CI: add containerd/project-checks

https://github.com/containerd/project-checks

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

.github/workflows/test.yml

@@ -8,6 +8,22 @@ on:
   pull_request:
 
 jobs:
+  project:
+    name: Project Checks
+    runs-on: ubuntu-20.04
+    timeout-minutes: 20
+    steps:
+    - uses: actions/setup-go@v2
+      with:
+        go-version: 1.16.x
+    - uses: actions/checkout@v2
+      with:
+        path: src/github.com/containerd/nerdctl
+        fetch-depth: 25
+    - uses: containerd/project-checks@v1
+      with:
+        working-directory: src/github.com/containerd/nerdctl
+
   golangci-lint:
     runs-on: ubuntu-20.04
     timeout-minutes: 20