chore: go1.21 and bump deps #18

	name: Go

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build:
	name: "Lint and test"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: "1.20"

	- name: Run golangci-lint
	uses: golangci/[email protected]

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

	- name: Build
	run: go build -v ./cmd/dht2mqtt

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