add cli parameter for setting network timeout

ERROR:root:Errno: 1, stderr: {

  "code": "E_UNKNOWN",

  "message": "end of file reached",

  "class": "EOFError",

  "stacktrace": [

    "/usr/share/ruby/net/protocol.rb:227:in `rbuf_fill'",

    "/usr/share/ruby/net/protocol.rb:193:in `readuntil'",

    "/usr/share/ruby/net/protocol.rb:203:in `readline'",

    "/usr/share/ruby/net/http/response.rb:42:in `read_status_line'",

    "/usr/share/ruby/net/http/response.rb:31:in `read_new'",

    "/usr/share/ruby/net/http.rb:1557:in `block in transport_request'",

    "/usr/share/ruby/net/http.rb:1548:in `catch'",

    "/usr/share/ruby/net/http.rb:1548:in `transport_request'",

    "/usr/share/ruby/net/http.rb:1521:in `request'",

    "/usr/share/ruby/net/http.rb:1535:in `send_entity'",

    "/usr/share/ruby/net/http.rb:1323:in `post'",

    "/opt/toolbox/vendor/bundle/ruby/3.0.0/gems/3scale-api-1.6.0/lib/3scale/api/http_client.rb:52:in `post'",

    "/opt/toolbox/vendor/bundle/ruby/3.0.0/gems/3scale-api-1.6.0/lib/3scale/api/client.rb:366:in `create_method'",

    "/opt/toolbox/lib/3scale_toolbox/remote_cache.rb:67:in `create_method'",

    "/opt/toolbox/lib/3scale_toolbox/entities/method.rb:10:in `create'",

    "/opt/toolbox/lib/3scale_toolbox/commands/import_command/openapi/create_method_step.rb:10:in `block in call'",

    "/opt/toolbox/lib/3scale_toolbox/commands/import_command/openapi/create_method_step.rb:9:in `each'",

    "/opt/toolbox/lib/3scale_toolbox/commands/import_command/openapi/create_method_step.rb:9:in `call'",

    "/opt/toolbox/lib/3scale_toolbox/commands/import_command/openapi/import_product_step.rb:21:in `each'",

    "/opt/toolbox/lib/3scale_toolbox/commands/import_command/openapi/import_product_step.rb:21:in `call'",

    "/opt/toolbox/lib/3scale_toolbox/commands/import_command/openapi.rb:61:in `run'",

    "/opt/toolbox/vendor/bundle/ruby/3.0.0/gems/cri-2.15.11/lib/cri/command_runner.rb:34:in `call'",

    "/opt/toolbox/vendor/bundle/ruby/3.0.0/gems/cri-2.15.11/lib/cri/command_dsl.rb:294:in `block in runner'",

    "/opt/toolbox/vendor/bundle/ruby/3.0.0/gems/cri-2.15.11/lib/cri/command.rb:362:in `run_this'",

    "/opt/toolbox/vendor/bundle/ruby/3.0.0/gems/cri-2.15.11/lib/cri/command.rb:298:in `run'",

    "/opt/toolbox/vendor/bundle/ruby/3.0.0/gems/cri-2.15.11/lib/cri/command.rb:316:in `run'",

    "/opt/toolbox/vendor/bundle/ruby/3.0.0/gems/cri-2.15.11/lib/cri/command.rb:316:in `run'",

    "/opt/toolbox/lib/3scale_toolbox/cli.rb:48:in `block in run'",

    "/opt/toolbox/lib/3scale_toolbox/cli/error_handler.rb:5:in `block in error_watchdog'",

    "/opt/toolbox/lib/3scale_toolbox/cli/error_handler.rb:11:in `error_watchdog'",

    "/opt/toolbox/lib/3scale_toolbox/cli/error_handler.rb:5:in `error_watchdog'",

    "/opt/toolbox/lib/3scale_toolbox/cli.rb:45:in `run'",

    "/opt/toolbox/exe/3scale:15:in `<top (required)>'",

    "/opt/toolbox/bin/3scale:29:in `load'",

    "/opt/toolbox/bin/3scale:29:in `<main>'"

  ]

}