fix: rpc_endpoint_requests insert sql

[ohko4711]

📝 Summary

fix: https://github.com/flashbots/rpc-endpoint/issues/161

⛱ Motivation and Context

rpc_endpoint_requests don't have filed ip_hash, save to db will failed

CREATE TABLE rpc_endpoint_requests(
    id uuid not null unique primary key default gen_random_uuid(),
    received_at timestamp with time zone not null,
    inserted_at timestamp with time zone not null default now(),
    request_duration_ms bigint not null,
    is_batch_request boolean,
    num_request_in_batch integer,
    http_method varchar(10) not null,
    http_url varchar(100) not null,
    http_query_param text,
    http_response_status integer,
    origin text,
    host text,
    error text
);

📚 References

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✅ I have run these commands

• [ ] make lint
• [ ] make test
• [ ] go mod tidy

[ohko4711]

@metachris sir, can you take a look at this? That way I won't have to maintain my own local version