Upgrade go ver to 1.21 #61

	name: Go
	on: [push]
	jobs:

	build:
	name: Build
	runs-on: ubuntu-latest
	steps:

	- name: Set up Go 1.21
	uses: actions/setup-go@v1
	with:
	go-version: 1.21
	id: go

	- name: Check out code into the Go module directory
	uses: actions/checkout@v1

	- name: Get dependencies
	run: \|
	go get -v -t -d ./...
	if [ -f Gopkg.toml ]; then
	curl https://raw.githubusercontent.com/golang/dep/master/install.sh \| sh
	dep ensure
	fi

	- name: Run tests
	env:
	CODECOV_TOKEN: ${{ secrets.CodeCovToken }}
	run: \|
	go test -race -coverprofile=coverage.txt -covermode=atomic
	bash <(curl -s https://codecov.io/bash)

	- name: Build
	run: go build -v .

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