Remove unknown hash keyword arguments (#1757)

* Pass hash through as explicit hash to avoid unknown keyword argument error.

* Changelog entry for #1757

Author: JonRowe

CHANGELOG.md

@@ -9,6 +9,8 @@ This document is formatted according to the principles of [Keep A CHANGELOG](htt
 Please visit [cucumber/CONTRIBUTING.md](https://github.com/cucumber/cucumber/blob/master/CONTRIBUTING.md) for more info on how to contribute to Cucumber.
 
 ## [Unreleased]
+### Fixed
+- Fixed an issue for Ruby 3.4.0 where a default hash instantiation was being picked up as keyword arguments  ([Jon Rowe](https://github.com/JonRowe))
 
 ## [9.2.0] - 2024-03-19
 ### Changed

lib/cucumber/multiline_argument/data_table.rb

@@ -75,7 +75,9 @@ def row(row)
         def eof; end
       end
 
-      NULL_CONVERSIONS = Hash.new(strict: false, proc: ->(cell_value) { cell_value }).freeze
+      # This is a Hash being initialized with a default value of a Hash, DO NOT REFORMAT TO REMOVE {}
+      # Future versions [3.4.0+] of ruby will interpret these as keywords and break.
+      NULL_CONVERSIONS = Hash.new({ strict: false, proc: ->(cell_value) { cell_value } }).freeze
 
       # @param data [Core::Test::DataTable] the data for the table
       # @param conversion_procs [Hash] see map_column