`improve`: write modified config values back to the maker `config.toml` file #735

	on:
	push:
	branches:
	- master
	pull_request:

	name: build

	jobs:
	build:
	name: Build
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	rust: [stable, nightly]
	features: [default, integration-test]
	steps:
	- name: checkout
	uses: actions/checkout@v3

	- name: Generate cache key
	run: echo "${{ matrix.os }}-${{ matrix.rust }}-${{ matrix.features }}" \| tee .cache_key

	- name: cache
	uses: actions/cache@v2
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-cargo-${{ hashFiles('.cache_key') }}-${{ hashFiles('/Cargo.toml','/Cargo.lock') }}

	- name: Set default toolchain
	run: rustup default ${{ matrix.rust }}

	- name: Set profile
	run: rustup set profile minimal

	- name: Update toolchain
	run: rustup update

	- name: Install dependencies on macOS
	if: matrix.os == 'macos-latest'
	run: brew install automake libtool zeromq

	- name: Build for OS
	run: cargo build --features=${{ matrix.features }}

Provide feedback