add clang format CI job #84

	name: gcc 13

	on:
	push:
	branches:
	- main
	- devel
	pull_request:


	jobs:
	build:
	name: Compiles with gcc 13
	runs-on: ubuntu-22.04

	steps:
	- name: checkout
	uses: actions/checkout@v4
	- name: add ppa
	run: \|
	sudo add-apt-repository ppa:ubuntu-toolchain-r/test
	sudo apt-get update
	- name: install packages
	run: sudo apt install build-essential nettle-dev time gcc-13 g++-13
	- name: bootstrap
	run: ./bootstrap.sh
	- name: configure
	run: ./configure CXX=g++-13
	- name: build
	run: make
	- name: check
	run: make check
	- name: store the logs as an artifact
	if: ${{ always() }}
	uses: actions/upload-artifact@v4
	with:
	path: '*/.log'

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