Fix env variable

Author: hishamco

.github/workflows/update-submodule.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Commit and push changes
         env:
-          SUBMODULE_TOKEN: ${{ secrets.OCC_TOKEN }}
+          OCC_TOKEN: ${{ secrets.OCC_TOKEN }}
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"