Update build.yaml

Author: jeffmaki

.github/workflows/build.yaml

@@ -16,7 +16,9 @@ jobs:
     timeout-minutes: 45
     steps:
         - uses: actions/checkout@v2
-
+          with:
+            submodules: recursive
+        
         - name: Set commit SHA as code version
           run: echo "CODE_VERSION=`echo ${GITHUB_SHA} | cut -c1-8`" >> $GITHUB_ENV