Add WebSocket and Object Store metrics

apiadded

Eight new metrics have been added: websocket_req_header_bytes, websocket_bereq_header_bytes, websocket_bereq_body_bytes, websocket_beresp_header_bytes, websocket_beresp_body_bytes, websocket_conn_time_ms, object_store_read_requests, and object_store_write_requests.

Prior change: Rust SDK 0.8.9

Following change: CLI v4.3.0