Update html5ever requirement from 0.26 to 0.27 #124

	name: CI
	on:
	# Only run when merging to master, or open/synchronize/reopen a PR.
	push:
	branches:
	- master
	- staging
	- trying
	pull_request:

	jobs:
	test:
	name: Test
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	rust: ["1.66.0", "stable", "beta"]
	build_flags: ["", "--cfg ammonia_unstable"]
	os: [ubuntu-latest]
	steps:
	- uses: actions/checkout@master
	- name: Set toolchain
	run: \|
	rustup set profile minimal
	rustup override set ${{ matrix.rust }}
	- name: Test
	run: cargo test
	env:
	RUSTFLAGS: ${{ matrix.build_flags }}

	ci-success:
	name: ci
	if: ${{ success() }}
	needs:
	- test
	runs-on: ubuntu-latest
	steps:
	- name: CI succeeded
	run: exit 0

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