chore(deps): update alpine docker tag to v3.21.0 in dockerfile #510

	name: Regression Tests

	# default token permissions: none
	permissions: {}

	on:
	push:
	branches:
	- main
	# Currently, there doesn't appear to be a simple solution for
	# having required checks with ignored paths (the checks will
	# never run and so PRs cannot be merged).
	# paths-ignore:
	# - "*/.md"
	# - "LICENSE"
	pull_request:
	# paths-ignore:
	# - "*/.md"
	# - "LICENSE"

	jobs:
	test:
	strategy:
	matrix:
	go-version: [1.22.x]
	os: [ubuntu-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout code
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	- name: Install Go
	uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
	with:
	go-version: ${{ matrix.go-version }}
	cache: true
	- name: Tests and coverage
	run: go run mage.go coverage

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