[Feature] add field `mcpserver.spec.deployment.labels` and `mcpserver.spec.deployment.annotations`

[Colvin-Y]

What would you like to be added:

• add field mcpserver.spec.deployment.labels and mcpserver.spec.deployment.annotations

Why is this needed:

• In production env, user may use svc mesh structure. In such case, may inject sidecar-container for mcp-server pod. The sidecar container config can from downward API which must be configured in pod annotations and labels.

Implemention:

• transport user define labels and annotations to mcp-server deployment.

If it's helpful, plz assign to me, I'm willing to contribute!