feat: add GH_TOKEN adjacent to DEMO_TOKEN usages

Author: 56kyle

.github/workflows/merge-demo-feature.yml

@@ -31,6 +31,8 @@ jobs:
         demo_name:
           - "robust-python-demo"
           - "robust-maturin-demo"
+    env:
+      GH_TOKEN: ${{ secrets.DEMO_TOKEN }}
     steps:
       - name: Checkout Template
         uses: actions/checkout@v4

.github/workflows/update-demo.yml

@@ -17,6 +17,7 @@ env:
   COOKIECUTTER_ROBUST_PYTHON__APP_AUTHOR: ${{ github.repository_owner }}
   ROBUST_PYTHON_DEMO__APP_AUTHOR: ${{ github.repository_owner }}
   ROBUST_MATURIN_DEMO__APP_AUTHOR: ${{ github.repository_owner }}
+  GH_TOKEN: ${{ secrets.DEMO_TOKEN }}
 
 jobs:
   update-demo: