ci: Upgrade Go, miekg/dns #12

	name: Tests on each push
	on: [push]
	jobs:
	build:
	name: Build & test
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go 1.19
	uses: actions/setup-go@v2
	with:
	go-version: 1.19
	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 ./...
	- name: Test
	run: go test -coverprofile coverage.txt -cover ./...
	- name: Upload tests coverage
	uses: codecov/codecov-action@v2
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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