Bump cachix/install-nix-action from 27 to 28 #1425

	name: test

	on: [push, pull_request]

	jobs:
	yamllint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: yaml-lint
	uses: ibiqlik/action-yamllint@v3
	with:
	config_data: "{extends: default}"
	file_or_dir: grc/*yml
	test-clang-format:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: clang-format
	run: \|
	sudo apt-get update -yq && sudo apt-get install -yq python3-pip && pip3 install clang-format cmake_format && bin/run_c_format.sh CMakeLists.txt lib include/gnuradio/iqtlabs grc
	test-latest:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: build_test
	run: \|
	bin/apt_get.sh && bin/code_check.sh && SIGMF_VALIDATE=/root/.local/bin/sigmf_validate TEST_VKFFT=1 bin/build_test.sh && bin/test_grc310.sh
	test-2004-gnuradio39:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: build_test
	# gnuradion 3.9 needs volk 3.0
	run: \|
	bin/apt_get.sh && bin/apt_get_39.sh && bin/install-volk.sh v3.0.0 && bin/install-gr39.sh && bin/build_test.sh
	test-2004:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: build_test
	run: \|
	sudo apt-get -y update && sudo add-apt-repository ppa:gnuradio/gnuradio-releases && bin/apt_get.sh && bin/install-volk.sh v3.1.2 && TEST_VKFFT=0 bin/build_test.sh && bin/test_grc310.sh

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