Apply PR#468 patch only for 0.12.x. #303

	name: linux
	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]
	jobs:
	build:
	runs-on: ${{ matrix.os }}
	env:
	USE_RDKAFKA: 1
	strategy:
	fail-fast: false
	matrix:
	ruby: [ '3.2', '3.1', '3.0', '2.7' ]
	os:
	- ubuntu-latest
	rdkafka_versions:
	- { min: '>= 0.6.0', max: '< 0.12.0' }
	- { min: '>= 0.12.0', max: '>= 0.12.0' }
	name: Ruby ${{ matrix.ruby }} unit testing on ${{ matrix.os }} with rdkafka gem version (min ${{ matrix.rdkafka_versions.min }} max ${{ matrix.rdkafka_versions.max }})
	steps:
	- uses: actions/checkout@v4
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	- name: Install confluent-kafka
	run: \|
	sudo apt install -V -y gnupg2 wget
	wget https://packages.confluent.io/deb/6.0/archive.key
	sudo gpg2 --homedir /tmp --no-default-keyring --keyring gnupg-ring:/usr/share/keyrings/confluent-archive-keyring.gpg --import archive.key
	sudo chmod 644 /usr/share/keyrings/confluent-archive-keyring.gpg
	sudo sh -c 'echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/confluent-archive-keyring.gpg] https://packages.confluent.io/deb/6.0 stable main" > /etc/apt/sources.list.d/confluent.list'
	sudo apt update
	sudo apt install -y confluent-community-2.13 openjdk-11-jre netcat-openbsd
	- name: unit testing
	env:
	CI: true
	RDKAFKA_VERSION_MIN_RANGE: ${{ matrix.rdkafka_versions.min }}
	RDKAFKA_VERSION_MAX_RANGE: ${{ matrix.rdkafka_versions.max }}
	run: \|
	sudo ./ci/prepare-kafka-server.sh
	gem install bundler rake
	bundle install --jobs 4 --retry 3
	bundle exec rake test

Provide feedback