fix(types): add missing keepAlive params

[SkeLLLa]

Add missing keepAlive* params that are present were added in #1904 docs and code, but missing in typings.

[codecov-commenter]

Codecov Report

Base: 90.41% // Head: 90.41% // No change to project coverage 👍

Coverage data is based on head (c79e8f5) compared to base (87fa734).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1918   +/-   ##
=======================================
  Coverage   90.41%   90.41%           
=======================================
  Files          71       71           
  Lines        6123     6123           
=======================================
  Hits         5536     5536           
  Misses        587      587           

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[xconverge]

I was pretty sure these are already included and I didn't add anything new? https://nodejs.org/api/net.html#socketconnectoptions-connectlistener

The main reason for putting them in the documentation explicitly was mostly just to say what the defaults we set were

connector.d.ts

declare namespace buildConnector {
  export type BuildOptions = (ConnectionOptions | TcpNetConnectOpts | IpcNetConnectOpts) & {
    maxCachedSessions?: number | null;
    socketPath?: string | null;
    timeout?: number | null;
    port?: number;
  }

net.d.ts

    interface TcpNetConnectOpts extends TcpSocketConnectOpts, SocketConstructorOpts {
        timeout?: number | undefined;
    }

    interface TcpSocketConnectOpts extends ConnectOpts {
        port: number;
        host?: string | undefined;
        localAddress?: string | undefined;
        localPort?: number | undefined;
        hints?: number | undefined;
        family?: number | undefined;
        lookup?: LookupFunction | undefined;
        noDelay?: boolean | undefined;
        keepAlive?: boolean | undefined;
        keepAliveInitialDelay?: number | undefined;
    }

[SkeLLLa]

It's not included in all @types/node versions that undici supports.

There are no keepAlive types, for example, in 18.0.3, which is in devDependencies of undici "@types/node": "^18.0.3",. So maybe it also worth bumping that version as well.

[mcollina]

lgtm

[xconverge]

Ah I see, sorry about that and thanks!