Update actions/checkout action to v4 #130

	name: Go

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	id: go-test
	- name: Test
	run: go test -coverprofile=coverage.txt ./...
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	build_giro:
	name: Build Giro
	runs-on: ubuntu-latest
	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	id: go
	- name: Build giro
	run: go build ./cmd/giro
	build_protoc_gen_reflection_server:
	name: Build protoc-gen-reflection-server
	runs-on: ubuntu-latest
	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	id: go
	- name: Build protoc-gen-reflection-server
	run: go build ./cmd/protoc-gen-reflection-server
	check_generate:
	name: Check generate
	runs-on: ubuntu-latest
	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	id: go
	- name: make generate-ci
	run: make generate-ci

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