fix actions to ensure submodules are checked out

Author: finger563

.github/workflows/build.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
     - name: Checkout repo
       uses: actions/checkout@v4
+      with:
+        submodules: true
 
     - name: Build Main
       uses: espressif/esp-idf-ci-action@v1

.github/workflows/package_main.yml

@@ -19,6 +19,8 @@ jobs:
     steps:
     - name: Checkout repo
       uses: actions/checkout@v4
+      with:
+        submodules: true
 
     - name: Build Main Code
       uses: espressif/esp-idf-ci-action@v1