fix: add environment variables and permissions for deploy job in CI workflow

Author: gfournierPro

.github/workflows/core-smart-contract-deploy.yml

@@ -28,6 +28,11 @@ jobs:
   deploy:
     needs: build-and-test
     runs-on: ubuntu-latest
+    env:
+      CI: true
+    permissions:
+      contents: write # Required to commit deployment files.
+    environment: ${{ inputs.network }}
     steps:
       - uses: actions/checkout@v4
         with: