Fix deploy auth: use HTTP header instead of URL credentials

Avoids URL-encoding issues when token/secret contain special characters.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: hubyrod

.github/workflows/deploy.yml

@@ -17,5 +17,5 @@ jobs:
           CLEVER_TOKEN: ${{ secrets.CLEVER_TOKEN }}
           CLEVER_SECRET: ${{ secrets.CLEVER_SECRET }}
         run: |
-          git remote add clever "https://${CLEVER_TOKEN}:${CLEVER_SECRET}@push-n3-par-clevercloud-customers.services.clever-cloud.com/app_e18aa250-0ebc-4a2d-ba9f-1383450de63c.git"
-          git push clever main:master --force
+          CREDENTIALS=$(echo -n "${CLEVER_TOKEN}:${CLEVER_SECRET}" | base64)
+          git -c http.extraHeader="Authorization: Basic ${CREDENTIALS}" push https://push-n3-par-clevercloud-customers.services.clever-cloud.com/app_e18aa250-0ebc-4a2d-ba9f-1383450de63c.git main:master --force