fix(ghaction): add recursive clause

Signed-off-by: Swarit Pandey <[email protected]>

.github/workflows/main.yaml

@@ -12,6 +12,8 @@ jobs:
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
 
     - name: Set up Hugo
       uses: peaceiris/actions-hugo@v2