Bump alpine from 3.20.3 to 3.21.0 #663

	---
	name: CI
	on:
	push:

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 1
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	- name: Check GoReleaser config
	uses: goreleaser/goreleaser-action@v6
	with:
	version: latest
	args: check
	- name: Check
	run: \|
	./integrationtest-setup.sh
	go test -v ./...
	./integrationtest-teardown.sh
	- name: Build
	run: go build -v ./...
	...

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