[zos-tso] Refactor methods for issuing TSO commands

[t1m0thyj]

Update the following methods on the Tso class:

• start_tso_session - deprecate and replace with start
• end_tso_session - deprecate and replace with stop
• send_tso_message - deprecate and replace with send
• issue_command - keep but update return type

The return types of the new methods should be dataclasses:

• start -> StartTsoResponse

  {
    servletKey: 'ibmuser-813-aamyaamn',
    queueID: '13369436',
    sessionID: '0x32D',
    ver: '0100',
    tsoData: [Array],
    reused: false,
    timeout: false
  }

• end_tso_session -> StopTsoResponse

  {
    servletKey: 'ibmuser-813-aamyaamn',
    ver: '0100',
    reused: false,
    timeout: false
  }

• send -> TsoDataResponse

  {
    servletKey: 'ibmuser-813-aamyaamn',
    ver: '0100',
    tsoData: [Array],
    reused: false,
    timeout: false
  }

• issue_command -> IssueTsoResponse

  {
  startResponse: StartTsoResponse,
  zosmfResponse: TsoDataResponse[],
  stopResponse: StopTsoResponse,
  commandResponse: string[]
  }

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