update ci/cd to go-version v1.21.8 #82

	name: Go

	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.21.8
	check-latest: true
	- name: Check out code
	uses: actions/checkout@v3
	- name: Build
	run: \|
	go build ./kms ./kes
	go vet ./kms ./kes
	- name: Lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: latest
	args: --config ./.golangci.yml ./kms ./kes
	test:
	name: Test ${{ matrix.os }}
	needs: Build
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	steps:
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.21.8
	check-latest: true
	- name: Check out code
	uses: actions/checkout@v3
	- name: Test
	run: \|
	go test ./kms ./kes

	vulncheck:
	name: Vulncheck
	needs: Build
	runs-on: ubuntu-latest
	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v3
	- uses: actions/setup-go@v3
	with:
	go-version: 1.21.8
	check-latest: true
	- name: Get govulncheck
	run: go install golang.org/x/vuln/cmd/govulncheck@latest
	shell: bash
	- name: Run govulncheck
	run: \|
	govulncheck ./kms ./kes
	shell: bash

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