caddy-frontend/test: Fix file formatting

.gitlab-ci.yml not found in this commit
Status Job ID Name Coverage
  External
running SlapOS.SoftwareReleases.IntegrationTest-luke/fix/caddy-frontend-kedifa-monitor

03:02:00

failed SlapOS.SoftwareReleases.IntegrationTest-luke/fix/caddy-frontend-kedifa-monitor

05:34:51

failed SlapOS.SoftwareReleases.IntegrationTest-luke/fix/caddy-frontend-kedifa-monitor

05:17:58

failed SlapOS.SoftwareReleases.IntegrationTest-luke/fix/caddy-frontend-kedifa-monitor

04:45:10