FIX: branch-name in deployment for prod

.gitlab-ci.yml

@@ -97,7 +97,7 @@ deploy_test:
     name: test
     url: https://netvs-test.scc.kit.edu
   only:
-  - main
+  - prod
   interruptible: false
 
 deploy_prod:
@@ -115,5 +115,5 @@ deploy_prod:
     name: prod
     url: https://netvs.scc.kit.edu
   only:
-  - main
+  - prod
   interruptible: false