Add note that IPv6 is not supported #870

	name: reviewdog
	on:
	pull_request:
	branches:
	- main
	jobs:
	vale:
	name: runner / vale
	runs-on: ubuntu-latest
	steps:
	- name: Install docutils
	run: sudo apt-get install -y docutils
	- uses: actions/checkout@v4
	- uses: errata-ai/vale-action@reviewdog
	with:
	reporter: github-pr-check
	fail_on_error: false
	env:
	# Required, set by GitHub actions automatically:
	# https://docs.github.com/en/actions/security-guides/automatic-token-authentication#about-the-github_token-secret
	GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

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