Fix YAML document separator in e2e heredoc

The `---` between the Deployment and Service was indented inside
the heredoc, so kubectl didn't recognize it as a document separator.
Split into two separate kubectl apply calls.

https://claude.ai/code/session_01QfFzqKQUsxxBsiZUhuJ3pG

.github/workflows/ci.yaml

@@ -94,7 +94,7 @@ jobs:
 
       - name: Deploy Gitea git server
         run: |
-          cat <<'EOF' | kubectl apply -f -
+          kubectl apply -f - <<'EOF'
           apiVersion: apps/v1
           kind: Deployment
           metadata:
@@ -137,7 +137,8 @@ jobs:
                 volumes:
                 - name: data
                   emptyDir: {}
-          ---
+          EOF
+          kubectl apply -f - <<'EOF'
           apiVersion: v1
           kind: Service
           metadata: