chore(deps): update Go to v1.21.0, update golang.org/x/* #84

	# GitHub Actions workflow to build, test and publish the project.
	name: "Go"
	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	env:
	GO_VERSION: "1.21.x"

	jobs:
	govulncheck:
	name: "Vulnerability Check"
	runs-on: "ubuntu-latest"
	permissions:
	contents: read
	steps:
	- name: "Checkout repository"
	uses: actions/checkout@v3

	- name: "Set up Go ${{ env.GO_VERSION }}"
	uses: actions/setup-go@v4
	with:
	go-version: "${{ env.GO_VERSION }}"
	cache: true

	- name: "Install"
	run: go install golang.org/x/vuln/cmd/govulncheck@latest

	- name: "Run"
	run: govulncheck ./...

	build:
	name: "Build"
	runs-on: "ubuntu-latest"
	permissions:
	contents: read
	steps:
	- name: "Checkout repository"
	uses: actions/checkout@v3

	- name: "Set up Go ${{ env.GO_VERSION }}"
	uses: actions/setup-go@v4
	with:
	go-version: "${{ env.GO_VERSION }}"
	cache: true

	- name: "Download dependencies"
	run: go mod download

	- name: "Verify dependencies"
	run: go mod verify

	- name: "Build"
	run: go build -v ./...

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

	- name: "Test (race)"
	run: go test -race -v ./...

	# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json

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