MSRV

Update html5ever requirement from 0.27 to 0.28 #6

	name: MSRV

	# read-only repo token
	# no access to secrets
	on:
	push:
	branches: [ master ]
	pull_request:

	env:
	CARGO_TERM_COLOR: always

	jobs:
	verify-build:
	runs-on: ubuntu-latest

	steps:
	# checkout repo
	- uses: actions/checkout@v3

	- name: Install rust
	# Aligned with `rust-version` in `Cargo.toml`
	uses: dtolnay/rust-toolchain@1.63

	- name: Generate Cargo.lock
	run: cargo generate-lockfile

	# restore cargo cache from previous runs
	- name: Rust Cache
	uses: Swatinem/rust-cache@v2
	with:
	# The cache should not be shared between different workflows and jobs.
	shared-key: ${{ github.workflow }}-${{ github.job }}

	# check it builds
	- name: Build
	run: cargo build --locked --verbose --all-targets --all-features

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