enable submodules in checkout process

tokuhirom · tokuhirom · commit cc816c420a4a · 2023-10-02T00:37:38.000+09:00
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -17,6 +17,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        submodules: true
     - name: actions/setup-java@v3
       uses: actions/setup-java@v3
       with:
