code: disable metallb port redirection

basic/apps/code/metallb-gitea.yaml

-# https://metallb.org/usage/
-apiVersion: v1
-kind: Service
-metadata:
-  name: gitea-ssh
-  namespace: stackspout
-  annotations:
-    metallb.universe.tf/allow-shared-ip: "share-ipv4"
-spec:
-  type: LoadBalancer
-  loadBalancerIP: "${ip_address}"
-  ports:
-    - name: ssh
-      protocol: TCP
-      port: 22
-      targetPort: 22
-  selector:
-    app: gitea