Tests

chore: upgrade Go version to 1.21 and go mod tidy #185

	name: Tests
	on: [push]

	jobs:
	run_tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go-version: [ '1.20' ]
	steps:
	- uses: actions/checkout@v1
	- name: Set up Go ${{ matrix.go-version }}
	uses: actions/setup-go@v1
	with:
	go-version: ${{ matrix.go-version }}
	- name: Run tests
	run: go test ./...

	coverage:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- name: Set up Go 1.20
	uses: actions/setup-go@v1
	with:
	go-version: '1.20'
	- name: Run tests
	run: go test -coverprofile=coverage.txt -covermode=atomic ./...
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3

Provide feedback