build(deps): bump pkg/arch from `b13e94a` to `b8c95a7` #432

	---
	# vi: ts=2 sw=2 et:
	# SPDX-License-Identifier: LGPL-2.1-or-later
	#
	name: Unit tests
	on:
	pull_request:
	branches:
	- main
	- v[0-9]+-stable

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-22.04
	concurrency:
	group: ${{ github.workflow }}-${{ matrix.run_phase }}-${{ matrix.cryptolib }}-${{ github.ref }}
	cancel-in-progress: true
	strategy:
	fail-fast: false
	matrix:
	run_phase: [GCC, GCC_ASAN_UBSAN, CLANG, CLANG_RELEASE, CLANG_ASAN_UBSAN, CLANG_ASAN_UBSAN_NO_DEPS]
	cryptolib: [auto]
	include:
	- run_phase: GCC
	cryptolib: openssl
	- run_phase: CLANG
	cryptolib: gcrypt
	steps:
	- name: Repository checkout
	uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
	- name: Install build dependencies
	run: \|
	# Drop XDG_* stuff from /etc/environment, so we don't get the user
	# XDG_* variables when running under sudo
	sudo sed -i '/^XDG_/d' /etc/environment
	# Pass only specific env variables through sudo, to avoid having
	# the already existing XDG_* stuff on the "other side"
	sudo --preserve-env=CRYPTOLIB,GITHUB_ACTIONS,CI .github/workflows/unit_tests.sh SETUP
	- name: Build & test
	run: sudo --preserve-env=CRYPTOLIB,GITHUB_ACTIONS,CI .github/workflows/unit_tests.sh RUN_${{ matrix.run_phase }}
	env:
	CRYPTOLIB: ${{ matrix.cryptolib }}

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