[codec] update blosc2 codec interface, fix #5 #21

	name: Test JData

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- if: matrix.python-version == '3.7.17'
	run: \|
	sudo ln -sf /usr/bin/python2.7 `which python`
	sudo ln -sf /usr/bin/pip2.7 `which pip`
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install numpy backports.lzma setuptools
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Build sdist
	run: \|
	python setup.py sdist
	- name: Basic test
	run: \|
	python -m unittest discover -v test
	- name: Codec benchmark
	run: \|
	pip install bjdata lz4 blosc2
	cp -a test/benchcodecs.py .
	python -m benchcodecs

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