added checkout subaction.

.github/workflows/devtest.yml

@@ -1,23 +1,24 @@
+name: 'build and test'
 on:
   push:
     tags:
       - v*
     branches:
       - main
   pull_request:
-name: Test
 jobs:
-  test:
-    strategy:
-      matrix:
-        go-version: [1.18.x]
-        platform: [ubuntu-latest]
-    runs-on: ${{ matrix.platform }}
+  build:
+    runs-on: ubuntu-latest
     steps:
-    - name: Pre-build image and run make ci-build in dev container
+
+    - name: Checkout (GitHub)
+      uses: actions/checkout@v3
+
+    - name: Build and run dev container task
       uses: devcontainers/ci@v0.3
       with:
         imageName: ghcr.io/bebop/ark-devcontainer
         cacheFrom: ghcr.io/bebop/ark-devcontainer
         push: always
+        # Change this to be your CI task/script
         runCmd: go test -v ./...