fix: create namespace before applying k8s manifests

.gitea/workflows/ci.yml

@@ -69,6 +69,7 @@ jobs:
 
       - name: Deploy na k3s
         run: |
-          kubectl apply -f k8s/
+          kubectl create namespace student-${{ github.actor }} --dry-run=client -o yaml | kubectl apply -f -
+          kubectl apply -f k8s/ -n student-${{ github.actor }}
           kubectl rollout status deployment/hello-cicd \
             -n student-${{ github.actor }} --timeout=120s