Bump actions/cache from 3.0.10 to 4.0.2 #236

	name: CI

	on:
	push:
	tags:
	- v*
	branches:
	- master
	- main
	pull_request:

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v3.1.0

	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: v1.55.2

	mod-tidy:
	name: Go Mod Tidy
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v3.1.0

	- name: Setup go
	uses: actions/setup-go@v3.3.0
	with:
	go-version: 1.15.x

	- name: Cache
	uses: actions/cache@v4.0.2
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-

	- name: Tidy
	run: \|
	cp go.sum{,.old}
	go mod tidy
	diff go.sum{.old,}

	test:
	name: Go ${{ matrix.go-version }} test
	runs-on: ubuntu-latest

	strategy:
	matrix:
	go-version:
	- 1.18.x # EOL: 01 Feb 2023
	- 1.19.x # EOL: 08 Aug 2023
	- 1.20.x
	- 1.21.x

	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Setup go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go-version }}

	- name: Cache
	uses: actions/cache@v4.0.2
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-

	- name: Test
	run: go test -v -race ./...

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