fix: correct path to envoy command in GitLab CI configuration

This commit updates the path to the envoy command in the `.gitlab-ci.yml` file, fixing the incorrect path from `~/.config/composer/vendor/bin/envoy` to `/config/composer/vendor/bin/envoy`.

.gitlab-ci.yml

@@ -35,7 +35,7 @@ deploy_production:
     - ssh-add <(echo "$SSH_PRIVATE_KEY")
     - mkdir -p ~/.ssh
     - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
-    - ~/.config/composer/vendor/bin/envoy run deploy --commit="$CI_COMMIT_SHA"
+    - /config/composer/vendor/bin/envoy run deploy --commit="$CI_COMMIT_SHA"
   environment:
     name: production
     url: https://rann-graphic-design.fr/