update CONTRIBUTING.md #3918

	name: validate

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	permissions: read-all

	env:
	LINT_VERSION: v1.60.3

	jobs:
	codespell:
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v4
	- name: install deps
	# Version of codespell bundled with Ubuntu is way old, so use pip.
	run: pip install --break-system-packages codespell==v2.3.0
	- name: run codespell
	run: codespell --dictionary=-
	lint:
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 2
	- uses: actions/setup-go@v5
	with:
	go-version: 1.22
	- name: install deps
	run: \|
	sudo apt-get -qq update
	sudo apt-get -qq install libseccomp-dev
	- name: lint
	uses: golangci/golangci-lint-action@v6
	with:
	version: "${{ env.LINT_VERSION }}"
	args: --verbose
	# Extra linters, only checking new code from a pull request.
	- name: Extra golangci-lint config. switcharoo
	run: mv .golangci-extra.yml golangci.yml
	- name: lint-extra
	uses: golangci/golangci-lint-action@v6
	with:
	version: "${{ env.LINT_VERSION }}"
	only-new-issues: true

	- name: validate seccomp
	run: ./tools/validate_seccomp.sh ./pkg/seccomp

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