go.mod: bump go version from 1.18 to 1.19 #292

	#
	# Copyright (c) HashiCorp, Inc.
	# SPDX-License-Identifier: MPL-2.0

	# This GitHub action runs Packer go tests across
	# MacOS runners.
	#

	name: "Go Test MacOS"

	on:
	push:
	branches:
	- 'main'
	pull_request:

	permissions:
	contents: read

	jobs:
	get-go-version:
	runs-on: ubuntu-latest
	outputs:
	go-version: ${{ steps.get-go-version.outputs.go-version }}
	steps:
	- uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
	- name: 'Determine Go version'
	id: get-go-version
	run: \|
	echo "Found Go $(cat .go-version)"
	echo "go-version=$(cat .go-version)" >> $GITHUB_OUTPUT
	darwin-go-tests:
	needs:
	- get-go-version
	runs-on: macos-latest
	name: Darwin Go tests
	steps:
	- uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
	- uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
	with:
	go-version: ${{ needs.get-go-version.outputs.go-version }}
	- run: \|
	echo "Testing with Go ${{ needs.get-go-version.outputs.go-version }}"
	go test -race -count 1 ./... -timeout=3m

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