Update eepp-build-check.yml

Try to fix checkout submodules.

.github/workflows/eepp-build-check.yml

@@ -7,14 +7,13 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
     - uses: actions/checkout@v2
+    - name: Checkout repository
       with:
         fetch-depth: 2
         ref: develop
-    - uses: actions/checkout@v2
-    - name: Checkout submodules
-      shell: bash
-      run: |
-        git submodule sync --recursive
+        shell: bash
+        run: |
+          git submodule sync --recursive
     - name: Install dependencies
       run: |
         sudo apt-get update