try again on rktboot update for `immutable-vector` #1

	name: Solo Chez Build

	on:
	push:
	branches:
	- master
	paths:
	- "racket/src/ChezScheme/**"
	- ".github/scripts/**"
	- ".github/workflows/chez-build.yml"
	- "Makefile"
	pull_request:
	paths:
	- "racket/src/ChezScheme/**"
	- ".github/scripts/**"
	- ".github/workflows/chez-build.yml"
	- "Makefile"

	permissions:
	contents: read

	jobs:
	build-linux:
	runs-on: ubuntu-20.04

	strategy:
	fail-fast: false
	matrix:
	mach: ['i3le', 'ti3le', 'a6le', 'ta6le']

	env:
	MACH: ${{ matrix.mach }}

	steps:
	- name: Download base dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y make git gcc
	- uses: actions/checkout@v4
	with:
	fetch-depth: 50
	- name: Download pb boot files
	run: make fetch-pb
	- name: Proceed with TARGET_MACHINE == ${{ matrix.mach }}
	run: echo $TARGET_MACHINE
	- name: Install libs for 32-bit
	if: matrix.mach == 'i3le' \|\| matrix.mach == 'ti3le'
	run: \|
	sudo dpkg --add-architecture i386
	sudo apt-get update
	sudo apt-get install -y gcc-multilib lib32ncurses-dev libssl-dev:i386
	- name: Install libs for 64-bit
	run: \|
	sudo apt-get update
	sudo apt-get install -y libncurses5-dev libssl-dev libx11-dev
	- name: Build Chez with PB boot files
	working-directory: racket/src/ChezScheme
	run: \|
	./configure --pb
	make -j$(($(nproc) + 1)) -l$(nproc) ${{ matrix.mach }}.bootquick
	- name: Build Chez with native boot files
	working-directory: racket/src/ChezScheme
	run: \|
	./configure -m=${{ matrix.mach }}
	make -j$(($(nproc) + 1)) -l$(nproc)
	- name: Test Chez
	working-directory: racket/src/ChezScheme
	run: ../../../.github/scripts/test.sh

Provide feedback