install: Error out early on s390x #296

	# This is an unused WIP. Maybe we'll use it in the future
	# name: Packaging

	# permissions:
	# actions: read

	# on:
	# push:
	# branches: [main]
	# pull_request:
	# branches: [main]
	# types: [labeled, opened, synchronize, reopened]
	# workflow_dispatch: {}

	# jobs:
	# srpm:
	# if: ${{ contains(github.event.pull_request.labels.*.name, 'ci/full') }}
	# runs-on: ubuntu-latest
	# container: quay.io/coreos-assembler/fcos-buildroot:testing-devel
	# steps:
	# - uses: actions/checkout@v3
	# - name: Mark git checkout as safe
	# run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
	# - name: Cache Dependencies
	# uses: Swatinem/rust-cache@v2
	# with:
	# key: "srpm"
	# - name: Install vendor tool
	# run: cargo install cargo-vendor-filterer
	# - name: Build
	# run: cargo xtask package-srpm
	# - name: Upload
	# uses: actions/upload-artifact@v2
	# with:
	# name: bootc-srpm
	# path: target/*.src.rpm

Provide feedback