Updated Go version. #106

	name: Go
	on: [push]
	jobs:

	build:
	name: Build
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [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@v2

	- name: Get dependencies
	run: \|
	go get -v -t -d ./...

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

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

	- name: Vet
	run: go vet ./...

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