tech: set env for github action deploy-to-scaleway

Author: stephenprn

.github/workflows/deploy-to-scaleway.yml

@@ -8,6 +8,8 @@ on:
 jobs:
   deploy:
     runs-on: ubuntu-latest
+    environment: ${{ github.ref_name }}
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v2