update outdated branch in README #2300

	name: Build and run tests

	on:
	push:
	pull_request:
	schedule:
	- cron: '0 2 * * *'

	jobs:
	build-ubuntu-gcc:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	version: [12]
	steps:
	- uses: actions/checkout@v4
	- name: Setting up gcc version
	run: \|
	sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.version }} 100
	sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.version }} 100
	- name: Build
	run: make test
	build-ubuntu-clang:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	version: [14, 15]
	steps:
	- uses: actions/checkout@v4
	- name: Setting up clang version
	run: \|
	sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-${{ matrix.version }} 100
	sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${{ matrix.version }} 100
	- name: Build
	run: CC=clang CXX=clang++ make test
	build-musl:
	runs-on: ubuntu-latest
	container:
	image: alpine:latest
	steps:
	- uses: actions/checkout@v4
	- name: Install dependencies
	run: apk update && apk add build-base python3
	- name: Build
	run: make test
	build-ubuntu-gcc-aarch64:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install dependencies
	run: sudo apt-get update && sudo apt-get install -y --no-install-recommends gcc-aarch64-linux-gnu g++-aarch64-linux-gnu libgcc-s1-arm64-cross cpp-aarch64-linux-gnu
	- name: Build
	run: CC=aarch64-linux-gnu-gcc CXX=aarch64-linux-gnu-gcc++ make CONFIG_NATIVE=false

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