Bump github.com/k0sproject/k0sctl from 0.20.0 to 0.21.0 in /hack/tool #8778

	name: Go lint
	on:
	push:
	branches:
	- main
	- release-*
	paths-ignore:
	- 'docs/**'
	- 'examples/**'
	- '**.md'
	- LICENSE
	- '**.svg'
	- '.github/workflows/docs.yml'
	- '.github/workflows/mkdocs-set-default-version.yml'
	- 'mkdocs.yml'
	pull_request:
	branches:
	- main
	- release-*
	paths-ignore:
	- 'docs/**'
	- 'examples/**'
	- '**.md'
	- LICENSE
	- README.md
	- '**.svg'
	- '.github/workflows/docs.yml'
	- '.github/workflows/mkdocs-set-default-version.yml'
	- 'mkdocs.yml'
	- '*.md'

	env:
	MAKEFLAGS: -j

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Go caches
	uses: actions/cache@v4
	with:
	key: ${{ runner.os }}-lint-go-caches-${{ hashFiles('go.sum') }}
	path: \|
	build/cache
	~/go/pkg/mod
	~/.cache/go-build
	~/.cache/golangci-lint

	- name: Check go.mod/go.sum to be consistent
	run: make --always-make go.sum && git diff --exit-code

	- name: Check generated code to be consistent
	run: make codegen EMBEDDED_BINS_BUILDMODE=none && git diff --exit-code

	- name: Run linter
	env:
	EMBEDDED_BINS_BUILDMODE: none
	GOLANGCI_LINT_FLAGS: --out-format=github-actions
	run: \|
	make lint

	validate-os-tests:
	name: Validate OS tests
	runs-on: ubuntu-22.04

	env:
	TERRAFORM_VERSION: 1.4.6

	defaults:
	run:
	working-directory: hack/ostests

	steps:
	- uses: actions/checkout@v4
	with:
	sparse-checkout: hack/ostests
	persist-credentials: false

	- uses: hashicorp/setup-terraform@v3
	with:
	terraform_version: ${{ env.TERRAFORM_VERSION }}
	terraform_wrapper: false

	- run: terraform fmt -check
	- run: terraform init
	- run: terraform validate -no-color

Provide feedback