Update supported Go versions #94

	name: PR Validation

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events but only for the "main" branch
	push:
	branches: [ "main" ]
	paths-ignore: [ '**.md' ]
	pull_request:
	branches: [ "main" ]
	paths-ignore: [ '**.md' ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go-version: [ '1.21.x', '1.20.x', '1.19.x' ]

	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE
	- uses: actions/checkout@v3
	with:
	fetch-depth: 1
	submodules: true

	- name: Setup Go environment
	uses: actions/setup-go@v3.3.0
	with:
	go-version: ${{ matrix.go-version }}

	- name: Install dependencies
	run: go get .

	- name: Run integration tests
	run: go test ./tests/... -coverpkg ./api,./task,./client,./backend/...,./internal/helpers

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