feat(helmchart): add preferred scheduling constraints for TCE nodes

apps/infra/devops/reflector/helmchart.yaml

@@ -18,3 +18,11 @@ spec:
                   operator: In
                   values:
                     - "cn-sh"
+        preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 1
+            preference:
+              matchExpressions:
+                - key: kubernetes.io/hostname
+                  operator: In
+                  values:
+                    - tce